Since the previous elections, various polling companies have published surveys tracking voting intention for the 2018 Brazilian general election. The results of these surveys are listed below in reverse chronological order and include parties whose candidates frequently poll above 3% of the vote as well as the incumbent President of Brazil Michel Temer.
| Polling firm/link | Date(s) administered | Sample size | Not affiliated | Others | Abst. Undec. | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| data-sort-value="2018-10-06" | 7 October | Results of the first round | – | 29.3% | 12.5% | 1.0% | 1.2% | 0.8% | 4.8% | 2.5% | 46.0% | – | 1.9% | 1.9% |
| Instituto Veritá | 2–5 October 2018 | 5,208 | 18.8% | 8.4% | 1.4% | 0.8% | 1.0% | 4.2% | 2.9% | 41.5% | _ | 2.0% | 19.0% | |
| CNT/MDA | 4–5 October 2018 | 2,002 | 24.0% | 9.9% | 2.2% | 1.6% | 1.7% | 5.8% | 2.3% | 36.7% | _ | 1.9% | 13.8% | |
| DataPoder360 | 3–4 October 2018 | 4,000 | 25% | 15% | 2% | 3% | 4% | 7% | 2% | 30% | 5% | 7% | ||
| Datafolha | 3–4 October 2018 | 19,552 | 22% | 13% | 3% | 2% | 2% | 7% | 3% | 36% | _ | 2% | 10% | |
| XP/Ipespe | 3–4 October 2018 | 2,000 | 22% | 11% | 4% | 2% | 2% | 7% | 3% | 36% | – | 1% | 12% | |
| Datafolha | 3–4 October 2018 | 10,930 | 22% | 11% | 4% | 2% | 2% | 8% | 3% | 35% | – | 2% | 11% | |
| RealTime Big Data | 3–4 October 2018 | 10,000 | 24% | 12% | 4% | 1% | 1% | 6% | 2% | 34% | – | 1% | 15% | |
| Paraná Pesquisas/Crusoé | 2–4 October 2018 | 2,080 | 21.8% | 9.4% | 3.5% | 1.7% | 1.4% | 7.4% | 3.1% | 34.9% | – | 2.1% | 14.7% | |
| Ibope | 1–2 October 2018 | 3,010 | 22% | 11% | 3% | 2% | 1% | 7% | 2% | 36% | – | 4% | 12% | |
| Ibope | 1–2 October 2018 | 3,010 | 23% | 10% | 4% | 2% | 1% | 7% | 2% | 32% | – | 2% | 17% | |
| Datafolha | 29–30 September 2018 | 3,240 | 21% | 11% | 4% | 2% | 2% | 9% | 3% | 32% | – | 2% | 13% | |
| Ibope | 29–30 September 2018 | 3,010 | 21% | 11% | 4% | 2% | 2% | 8% | 3% | 31% | – | 1% | 17% | |
| FSB Pesquisa | 29–30 September 2018 | 2,000 | 24% | 9% | 4% | 2% | 2% | 11% | 5% | 31% | – | 1% | 12% | |
| CNT/MDA | 27–28 September 2018 | 2,000 | 25.2% | 9.4% | 2.6% | 2.0% | 1.7% | 7.3% | 2.0% | 28.2% | 1.6% | 20.0% | ||
| Datafolha | 26–28 September 2018 | 9,000 | 22% | 11% | 5% | 2% | 2% | 10% | 3% | 28% | – | 3% | 15% | |
| XP/Ipespe | 24–26 September 2018 | 2,000 | 21% | 11% | 5% | 2% | 2% | 8% | 3% | 28% | – | 3% | 17% | |
| Paraná Pesquisas/Crusoé | 23–25 September 2018 | 2,020 | 20.2% | 10.1% | 4.3% | 1.3% | 1.9% | 7.6% | 3.8% | 31.2% | – | 1.4% | 18.2% | |
| Ibope | 22–24 September 2018 | 2,000 | 21% | 12% | 6% | 2% | 2% | 8% | 3% | 27% | – | 1% | 18% | |
| IstoÉ/Sensus | 21–24 September 2018 | 2,000 | 24.5% | 7.7% | 2.7% | 1.6% | 1.7% | 5.6% | 1.9% | 30.6% | – | 1.3% | 22.4% | |
| FSB Pesquisa | 22–23 September 2018 | 2,000 | 23% | 10% | 5% | 3% | 2% | 8% | 3% | 33% | – | 1% | 13% | |
| Ibope | 22–23 September 2018 | 2,506 | 22% | 11% | 5% | 2% | 2% | 8% | 3% | 28% | – | 1% | 18% | |
| DataPoder360 | 19–20 September 2018 | 4,000 | 22% | 14% | 4% | 3% | 3% | 6% | 1% | 26% | – | 5% | 15% | |
| Datafolha | 18–19 September 2018 | 8,601 | 16% | 13% | 7% | 2% | 3% | 9% | 3% | 28% | – | 2% | 17% | |
| Genial Investimentos/Brasilis | 17–19 September 2018 | 1,000 | 17% | 7% | 6% | 3% | 4% | 7% | 5% | 30% | – | 4% | 18% | |
| XP/Ipespe | 17–19 September 2018 | 2,000 | 16% | 11% | 6% | 2% | 3% | 7% | 3% | 28% | – | 1% | 23% | |
| Ibope | 16–18 September 2018 | 2,506 | 19% | 11% | 6% | 2% | 2% | 7% | 2% | 28% | – | 1% | 21% | |
| FSB Pesquisa | 15–16 September 2018 | 2,000 | 16% | 14% | 5% | 2% | 2% | 6% | 4% | 33% | – | 2% | 16% | |
| CNT/MDA | 12–15 September 2018 | 2,002 | 17.6% | 10.8% | 4.1% | 1.7% | 1.9% | 6.1% | 2.8% | 28.2% | – | 1.1% | 25.7% | |
| Datafolha | 13–14 September 2018 | 2,820 | 13% | 13% | 8% | 3% | 3% | 9% | 3% | 26% | – | 3% | 19% | |
| XP/Ipespe | 10–12 September 2018 | 2,000 | 10% | 12% | 8% | 2% | 4% | 9% | 4% | 26% | – | 2% | 23% | |
| Paraná Pesquisas/Crusoé | 7–11 September 2018 | 2,010 | 8.3% | 11.9% | 10.6% | 2.4% | 3.7% | 8.7% | 3.3% | 26.6% | – | 2.7% | 21.8% | |
| Datafolha | 10 September 2018 | 2,804 | 9% | 13% | 11% | 3% | 3% | 10% | 3% | 24% | – | 3% | 22% | |
| Ibope | 8–10 September 2018 | 2,002 | 8% | 11% | 9% | 3% | 3% | 9% | 3% | 26% | – | 2% | 26% | |
| FSB Pesquisa | 8–9 September 2018 | 2,000 | 8% | 12% | 8% | 3% | 3% | 8% | 3% | 30% | – | 2% | 24% | |
| RealTime Big Data | 7–9 September 2018 | 3,200 | 7% | 11% | 11% | 2% | 4% | 9% | 3% | 25% | – | 2% | 26% | |
| On 6 September 2018, Jair Bolsonaro was stabbed while he was campaigning in Juiz de Fora, Minas Gerais. | ||||||||||||||
| XP/Ipespe | 3–5 September 2018 | 2,000 | 8% | 11% | 11% | 1% | 4% | 9% | 4% | 23% | 2% | 27% | ||
| Ibope | 1–3 September 2018 | 2,002 | 6% | 12% | 12% | 2% | 3% | 9% | 3% | 22% | – | 3% | 28% | |
| FSB Pesquisa | 1–2 September 2018 | 2,000 | 6% | 12% | 11% | 1% | 3% | 8% | 4% | 26% | – | 2% | 28% | |
| Polling firm/link | Date(s) administered | Sample size | PT | PDT | PSB | REDE | MDB | PODE | PSDB | NOVO | PSL | Not affiliated | Others | Abst. Undec. | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| On 31 August 2018, the Superior Electoral Court votes to officially reject Luiz Inácio Lula da Silva's candidacy.[1] | |||||||||||||||
| XP/Ipespe | 27–29 August 2018 | 1,000 | 6% (Haddad) | 10% (Gomes) | – | 13% (Silva) | 1% (Meirelles) | 4% (Dias) | 9% (Alckmin) | 4% (Amoedo) | 23% (Bolsonaro) | – | 6% | 27% | |
| 13% (Haddad, supported by Lula) | 10% (Gomes) | – | 10% (Silva) | 1% (Meirelles) | 4% (Dias) | 8% (Alckmin) | 4% (Amoedo) | 21% (Bolsonaro) | – | 6% | 28% | ||||
| 33% (Lula) cannot run in election | 8% (Gomes) | – | 7% (Silva) | 1% (Meirelles) | 3% (Dias) | 7% (Alckmin) | 4% (Amoedo) | 21% (Bolsonaro) | – | 5% | 15% | ||||
| DataPoder360 | 24–27 August 2018 | 5,500 | 30% (Lula) cannot run in election | 7% (Gomes) | 6% (Silva) | 2% (Meirelles) | 3% (Dias) | 7% (Alckmin) | 1% (Amoedo) | 21% (Bolsonaro) | – | 7% | 18% | ||
| FSB Pesquisa | 25–26 August 2018 | 2,000 | 5% (Haddad) | 8% (Gomes) | – | 15% (Silva) | 1% (Meirelles) | 3% (Dias) | 9% (Alckmin) | 4% (Amoedo) | 24% (Bolsonaro) | – | 4% | 28% | |
| 35% (Lula) cannot run in election | 5% (Gomes) | – | 9% (Silva) | 1% (Meirelles) | 2% (Dias) | 6% (Alckmin) | 4% (Amoedo) | 22% (Bolsonaro) | – | 2% | 15% | ||||
| XP/Ipespe | 20–22 August 2018 | 1,000 | 6% (Haddad) | 8% (Gomes) | – | 12% (Silva) | 2% (Meirelles) | 5% (Dias) | 8% (Alckmin) | 2% (Amoedo) | 23% (Bolsonaro) | – | 5% | 30% | |
| 13% (Haddad, supported by Lula) | 8% (Gomes) | – | 9% (Silva) | 1% (Meirelles) | 5% (Dias) | 8% (Alckmin) | 1% (Amoedo) | 20% (Bolsonaro) | – | 4% | 31% | ||||
| 32% (Lula) cannot run in election | 7% (Gomes) | – | 7% (Silva) | 1% (Meirelles) | 4% (Dias) | 7% (Alckmin) | 2% (Amoedo) | 20% (Bolsonaro) | – | 3% | 18% | ||||
| Datafolha | 20–21 August 2018 | 8,433 | 4% (Haddad) | 10% (Gomes) | – | 16% (Silva) | 2% (Meirelles) | 4% (Dias) | 9% (Alckmin) | 2% (Amoedo) | 22% (Bolsonaro) | – | 4% | 28% | |
| 39% (Lula) cannot run in election | 5% (Gomes) | – | 8% (Silva) | 1% (Meirelles) | 3% (Dias) | 6% (Alckmin) | 2% (Amoedo) | 19% (Bolsonaro) | – | 3% | 14% | ||||
| Ibope | 17–19 August 2018 | 2,002 | 4% (Haddad) | 9% (Gomes) | – | 12% (Silva) | 1% (Meirelles) | 3% (Dias) | 7% (Alckmin) | 1% (Amoedo) | 20% (Bolsonaro) | – | 6% | 38% | |
| 37% (Lula) cannot run in election | 5% (Gomes) | – | 6% (Silva) | 1% (Meirelles) | 3% (Dias) | 5% (Alckmin) | 1% (Amoedo) | 18% (Bolsonaro) | – | 3% | 22% | ||||
| CNT/MDA | 15–18 August 2018 | 2,002 | 37.7% (Lula) cannot run in election | 4.1% (Gomes) | – | 5.6% (Silva) | 0.8% (Meirelles) | 2.7% (Dias) | 4.9% (Alckmin) | 18.8% (Bolsonaro) | – | 2.2% | 23.1% | ||
| Ipespe | 13–15 August 2018 | 1,000 | 7% (Haddad) | 8% (Gomes) | – | 11% (Silva) | 2% (Meirelles) | 5% (Dias) | 9% (Alckmin) | 23% (Bolsonaro) | – | 4% | 31% | ||
| 15% (Haddad, supported by Lula) | 7% (Gomes) | – | 9% (Silva) | 2% (Meirelles) | 6% (Dias) | 9% (Alckmin) | 21% (Bolsonaro) | – | 4% | 28% | |||||
| 31% (Lula) cannot run in election | 7% (Gomes) | – | 8% (Silva) | 1% (Meirelles) | 5% (Dias) | 9% (Alckmin) | 20% (Bolsonaro) | – | 3% | 16% | |||||
| Paraná Pesquisas | 9–13 August 2018 | 2,002 | 3.8% (Haddad) | 10.2% (Gomes) | – | 13.2% (Silva) | 0.9% (Meirelles) | 4.9% (Dias) | 8.5% (Alckmin) | 23.9% (Bolsonaro) | – | 4.9% | 29.9% | ||
| 30.8% (Lula) cannot run in election | 5.9% (Gomes) | – | 8.1% (Silva) | 0.7% (Meirelles) | 4.0% (Dias) | 6.6% (Alckmin) | 22.0% (Bolsonaro) | – | 3.2% | 18.9% | |||||
| Ipespe | 6–8 August 2018 | 1,000 | 3% (Haddad) | 8% (Gomes) | – | 12% (Silva) | 2% (Meirelles) | 4% (Dias) | 10% (Alckmin) | 23% (Bolsonaro) | – | 3% | 34% | ||
| 13% (Haddad, supported by Lula) | 7% (Gomes) | – | 10% (Silva) | 2% (Meirelles) | 5% (Dias) | 9% (Alckmin) | 21% (Bolsonaro) | – | 3% | 30% | |||||
| 31% (Lula) cannot run in election | 6% (Gomes) | – | 8% (Silva) | 2% (Meirelles) | 5% (Dias) | 9% (Alckmin) | 19% (Bolsonaro) | – | 3% | 17% | |||||
| – | 9% (Gomes) | – | 12% (Silva) | 3% (Meirelles) | 5% (Dias) | 10% (Alckmin) | 23% (Bolsonaro) | – | 4% | 34% | |||||
| Ipespe | 30 July–1 August 2018 | 1,000 | 2% (Haddad) | 10% (Gomes) | – | 11% (Silva) | 2% (Meirelles) | 5% (Dias) | 10% (Alckmin) | 22% (Bolsonaro) | – | 3% | 34% | ||
| 13% (Haddad, supported by Lula) | 8% (Gomes) | – | 9% (Silva) | 2% (Meirelles) | 4% (Dias) | 9% (Alckmin) | 20% (Bolsonaro) | – | 3% | 31% | |||||
| 31% (Lula) cannot run in election | 7% (Gomes) | – | 8% (Silva) | 2% (Meirelles) | 4% (Dias) | 9% (Alckmin) | 19% (Bolsonaro) | – | 3% | 18% | |||||
| – | 10% (Gomes) | – | 11% (Silva) | 3% (Meirelles) | 5% (Dias) | 10% (Alckmin) | 22% (Bolsonaro) | – | 3% | 35% | |||||
| Paraná Pesquisas | 25–30 July 2018 | 2,240 | 2.8% (Haddad) | 10.7% (Gomes) | – | 14.4% (Silva) | 1.1% (Meirelles) | 5.0% (Dias) | 7.8% (Alckmin) | 23.6% (Bolsonaro) | – | 5.3% | 29.4% | ||
| 29.0% (Lula) cannot run in election | 6.0% (Gomes) | – | 9.2% (Silva) | 0.8% (Meirelles) | 4.2% (Dias) | 6.2% (Alckmin) | 21.8% (Bolsonaro) | – | 3.6% | 19.2% | |||||
| 2.8% (Wagner) | 10.8% (Gomes) | – | 14.3% (Silva) | 1.2% (Meirelles) | 4.9% (Dias) | 7.9% (Alckmin) | 23.5% (Bolsonaro) | – | 5.9% | 28.9% | |||||
| DataPoder360 | 25–28 July 2018 | 3,000 | 5% (Haddad) | 13% (Gomes) | – | 6% (Silva) | – | 4% (Dias) | 9% (Alckmin) | 20% (Bolsonaro) | – | – | 43% | ||
| Ipespe | 23–25 July 2018 | 1,000 | 2% (Haddad) | 10% (Gomes) | – | 13% (Silva) | 2% (Meirelles) | 5% (Dias) | 10% (Alckmin) | 23% (Bolsonaro) | – | 2% | 30% | ||
| 12% (Haddad, supported by Lula) | 9% (Gomes) | – | 10% (Silva) | 1% (Meirelles) | 5% (Dias) | 9% (Alckmin) | 22% (Bolsonaro) | – | 3% | 29% | |||||
| 30% (Lula) cannot run in election | 8% (Gomes) | – | 8% (Silva) | 1% (Meirelles) | 5% (Dias) | 9% (Alckmin) | 20% (Bolsonaro) | – | 2% | 17% | |||||
| – | 10% (Gomes) | – | 12% (Silva) | 2% (Meirelles) | 5% (Dias) | 10% (Alckmin) | 23% (Bolsonaro) | – | 3% | 34% | |||||
| Ideia Big Data | 20–23 July 2018 | 2,036 | 3% (Haddad) | 8% (Gomes) | – | 13% (Silva) | 2% (Meirelles) | 5% (Dias) | 7% (Alckmin) | 19% (Bolsonaro) | – | 3% | 39% | ||
| 29% (Lula) cannot run in election | 7% (Gomes) | – | 10% (Silva) | 2% (Meirelles) | 4% (Dias) | 7% (Alckmin) | 17% (Bolsonaro) | – | 4% | 20% | |||||
| 3% (Wagner) | 8% (Gomes) | – | 14% (Silva) | 2% (Meirelles) | 4% (Dias) | 7% (Alckmin) | 19% (Bolsonaro) | – | 3% | 37% | |||||
| 9% (some candidate supported by Lula) | 7% (Gomes) | – | 11% (Silva) | 2% (Meirelles) | 4% (Dias) | 6% (Alckmin) | 19% (Bolsonaro) | – | 5% | 37% | |||||
| Vox Populi | 18–20 July 2018 | 2,000 | 41% (Lula) cannot run in election | 5% (Gomes) | – | 4% (Silva) | 0% (Meirelles) | 1% (Dias) | 4% (Alckmin) | 12% (Bolsonaro) | – | 3% | 30% | ||
| 44% (Lula) cannot run in election | 4% (Gomes) | – | 5% (Silva) | – | – | 4% (Alckmin) | 14% (Bolsonaro) | – | – | 28% | |||||
| Ipespe | 16–18 July 2018 | 1,000 | 2% (Haddad) | 10% (Gomes) | – | 12% (Silva) | 2% (Meirelles) | 5% (Dias) | 8% (Alckmin) | 23% (Bolsonaro) | – | 3% | 33% | ||
| 13% (Haddad, supported by Lula) | 8% (Gomes) | – | 10% (Silva) | 2% (Meirelles) | 5% (Dias) | 7% (Alckmin) | 21% (Bolsonaro) | – | 3% | 31% | |||||
| 29% (Lula) cannot run in election | 7% (Gomes) | – | 8% (Silva) | 1% (Meirelles) | 5% (Dias) | 7% (Alckmin) | 20% (Bolsonaro) | – | 3% | 19% | |||||
| – | 10% (Gomes) | – | 12% (Silva) | 2% (Meirelles) | 5% (Dias) | 9% (Alckmin) | 23% (Bolsonaro) | – | 3% | 36% | |||||
| Ipespe | 9–11 July 2018 | 1,000 | 2% (Haddad) | 9% (Gomes) | – | 14% (Silva) | 3% (Meirelles) | 5% (Dias) | 8% (Alckmin) | 24% (Bolsonaro) | – | 4% | 31% | ||
| 12% (Haddad, supported by Lula) | 8% (Gomes) | – | 11% (Silva) | 2% (Meirelles) | 4% (Dias) | 7% (Alckmin) | 21% (Bolsonaro) | – | 4% | 31% | |||||
| 30% (Lula) cannot run in election | 7% (Gomes) | – | 10% (Silva) | 2% (Meirelles) | 5% (Dias) | 7% (Alckmin) | 20% (Bolsonaro) | – | 3% | 15% | |||||
| – | 9% (Gomes) | – | 13% (Silva) | 2% (Meirelles) | 5% (Dias) | 8% (Alckmin) | 23% (Bolsonaro) | – | 5% | 35% | |||||
| Ipespe | 2–4 July 2018 | 1,000 | 2% (Haddad) | 10% (Gomes) | – | 13% (Silva) | 2% (Meirelles) | 5% (Dias) | 8% (Alckmin) | 23% (Bolsonaro) | – | 4% | 33% | ||
| 11% (Haddad, supported by Lula) | 8% (Gomes) | – | 11% (Silva) | 2% (Meirelles) | 5% (Dias) | 7% (Alckmin) | 21% (Bolsonaro) | – | 4% | 29% | |||||
| 28% (Lula) cannot run in election | 7% (Gomes) | – | 9% (Silva) | 1% (Meirelles) | 5% (Dias) | 7% (Alckmin) | 20% (Bolsonaro) | – | 3% | 19% | |||||
| – | 10% (Gomes) | – | 12% (Silva) | 2% (Meirelles) | 5% (Dias) | 8% (Alckmin) | 23% (Bolsonaro) | – | 4% | 35% | |||||
| DataPoder360 | 25–29 June 2018 | 5,500 | 5% (Haddad) | 12% (Gomes) | – | 7% (Silva) | 1% (Meirelles) | 4% (Dias) | 7% (Alckmin) | 18% (Bolsonaro) | – | 5% | 42% | ||
| 6% (Haddad) | 13% (Gomes) | – | 7% (Silva) | – | 5% (Dias) | 8% (Alckmin) | 21% (Bolsonaro) | – | – | 40% | |||||
| Ipespe | 25–27 June 2018 | 1,000 | 2% (Haddad) | 11% (Gomes) | – | 12% (Silva) | 1% (Meirelles) | 5% (Dias) | 8% (Alckmin) | 22% (Bolsonaro) | – | 4% | 34% | ||
| 11% (Haddad, supported by Lula) | 8% (Gomes) | – | 10% (Silva) | 2% (Meirelles) | 5% (Dias) | 7% (Alckmin) | 20% (Bolsonaro) | – | 4% | 33% | |||||
| 29% (Lula) cannot run in election | 6% (Gomes) | – | 9% (Silva) | 1% (Meirelles) | 5% (Dias) | 7% (Alckmin) | 19% (Bolsonaro) | – | 3% | 21% | |||||
| – | 10% (Gomes) | – | 12% (Silva) | 1% (Meirelles) | 5% (Dias) | 7% (Alckmin) | 22% (Bolsonaro) | – | 4% | 39% | |||||
| IBOPE | 21–24 June 2018 | 2,000 | 2% (Haddad) | 8% (Gomes) | – | 13% (Silva) | 1% (Meirelles) | 3% (Dias) | 6% (Alckmin) | 17% (Bolsonaro) | – | 10% | 41% | ||
| 33% (Lula) cannot run in election | 4% (Gomes) | – | 7% (Silva) | 0% (Meirelles) | 2% (Dias) | 4% (Alckmin) | 15% (Bolsonaro) | – | 7% | 28% | |||||
| Ipespe | 18–20 June 2018 | 1,000 | 3% (Haddad) | 10% (Gomes) | – | 14% (Silva) | 2% (Meirelles) | 5% (Dias) | 8% (Alckmin) | 21% (Bolsonaro) | – | 4% | 33% | ||
| 12% (Haddad, supported by Lula) | 8% (Gomes) | – | 11% (Silva) | 2% (Meirelles) | 5% (Dias) | 8% (Alckmin) | 19% (Bolsonaro) | – | 4% | 31% | |||||
| 28% (Lula) cannot run in election | 5% (Gomes) | – | 10% (Silva) | 1% (Meirelles) | 4% (Dias) | 7% (Alckmin) | 19% (Bolsonaro) | – | 3% | 23% | |||||
| – | 10% (Gomes) | – | 13% (Silva) | 1% (Meirelles) | 5% (Dias) | 8% (Alckmin) | 22% (Bolsonaro) | – | 4% | 36% | |||||
| Ipespe | 11–13 June 2018 | 1,000 | 2% (Haddad) | 10% (Gomes) | – | 13% (Silva) | 2% (Meirelles) | 6% (Dias) | 8% (Alckmin) | 22% (Bolsonaro) | – | 4% | 33% | ||
| 11% (Haddad, supported by Lula) | 9% (Gomes) | – | 10% (Silva) | 2% (Meirelles) | 6% (Dias) | 8% (Alckmin) | 20% (Bolsonaro) | – | 2% | 31% | |||||
| 29% (Lula) cannot run in election | 6% (Gomes) | – | 10% (Silva) | 2% (Meirelles) | 6% (Dias) | 7% (Alckmin) | 19% (Bolsonaro) | – | 2% | 18% | |||||
| – | 11% (Gomes) | – | 13% (Silva) | 2% (Meirelles) | 6% (Dias) | 8% (Alckmin) | 22% (Bolsonaro) | – | 4% | 34% | |||||
| Datafolha | 6–7 June 2018 | 2,824 | 1% (Haddad) | 10% (Gomes) | – | 15% (Silva) | 1% (Meirelles) | 4% (Dias) | 7% (Alckmin) | 19% (Bolsonaro) | – | 10% | 33% | ||
| 30% (Lula) cannot run in election | 6% (Gomes) | – | 10% (Silva) | 1% (Meirelles) | 4% (Dias) | 6% (Alckmin) | 17% (Bolsonaro) | – | 5% | 21% | |||||
| 1% (Wagner) | 10% (Gomes) | – | 14% (Silva) | 1% (Meirelles) | 4% (Dias) | 7% (Alckmin) | 19% (Bolsonaro) | – | 10% | 33% | |||||
| – | 11% (Gomes) | – | 15% (Silva) | 1% (Meirelles) | 4% (Dias) | 7% (Alckmin) | 19% (Bolsonaro) | – | 9% | 34% | |||||
| Ipespe | 4–6 June 2018 | 1,000 | 3% (Haddad) | 11% (Gomes) | – | 13% (Silva) | 2% (Meirelles) | 6% (Dias) | 8% (Alckmin) | 22% (Bolsonaro) | – | 3% | 32% | ||
| 11% (Haddad, supported by Lula) | 9% (Gomes) | – | 11% (Silva) | 2% (Meirelles) | 6% (Dias) | 8% (Alckmin) | 21% (Bolsonaro) | – | 4% | 27% | |||||
| 30% (Lula) cannot run in election | 6% (Gomes) | – | 10% (Silva) | 2% (Meirelles) | 5% (Dias) | 7% (Alckmin) | 20% (Bolsonaro) | – | 4% | 16% | |||||
| – | 11% (Gomes) | – | 13% (Silva) | 1% (Meirelles) | 7% (Dias) | 9% (Alckmin) | 23% (Bolsonaro) | – | 3% | 32% | |||||
| DataPoder360 | 25–31 May 2018 | 10,500 | 6% (Haddad) | 11% (Gomes) | – | 7% (Silva) | 1% (Meirelles) | 5% (Dias) | 6% (Alckmin) | 21% (Bolsonaro) | – | 5.8% | 39% | ||
| 8% (Haddad) | 12% (Gomes) | – | 6% (Silva) | – | 6% (Dias) | 7% (Alckmin) | 25% (Bolsonaro) | – | – | 36% | |||||
| 8% (Haddad) | 12% (Gomes) | – | 7% (Silva) | – | 6% (Dias) | 6% (Doria) | 22% (Bolsonaro) | – | – | 40% | |||||
| Vox Populi | 19–23 May 2018 | 2,000 | 39% (Lula) cannot run in election | 4% (Gomes) | – | 6% (Silva) | 1% (Meirelles) | 2% (Dias) | 3% (Alckmin) | 12% (Bolsonaro) | – | 2% | 30% | ||
| Ipespe | 15–18 and 21–23 May 2018 | 2,000 | 3% (Haddad) | 10% (Gomes) | – | 14% (Silva) | 2% (Meirelles) | 4% (Dias) | 9% (Alckmin) | 24% (Bolsonaro) | – | 2% | 32% | ||
| 29% (Lula) cannot run in election | 6% (Gomes) | – | 9% (Silva) | 1% (Temer) | 4% (Dias) | 9% (Alckmin) | 24% (Bolsonaro) | – | 3% | 17% | |||||
| – | 10% (Gomes) | – | 13% (Silva) | 1% (Meirelles) | 5% (Dias) | 9% (Alckmin) | 24% (Bolsonaro) | – | 3% | 36% | |||||
| MDA | 9–12 May 2018 | 2,002 | 2.3% (Haddad) | 9.0% (Gomes) | – | 11.2% (Silva) | 0.5% (Meirelles) | 3.0% (Dias) | 5.3% (Alckmin) | 18.3% (Bolsonaro) | – | 4.4% | 45.7% | ||
| 4.4% (Haddad) | 12.0% (Gomes) | – | 16.4% (Silva) | 1.4% (Meirelles) | – | – | 20.7% (Bolsonaro) | – | – | 45.1% | |||||
| 3.8% (Haddad) | 11.1% (Gomes) | – | 15.1% (Silva) | – | – | 8.1% (Alckmin) | 19.7% (Bolsonaro) | – | – | 42.2% | |||||
| 32.4% (Lula) cannot run in election | 5.4% (Gomes) | – | 7.6% (Silva) | 0.3% (Meirelles) | 2.5% (Dias) | 4.0% (Alckmin) | 16.7% (Bolsonaro) | – | 3.0% | 26.7% | |||||
| 0.9% (Temer) | |||||||||||||||
| Paraná Pesquisas | 27 April–2 May 2018 | 2,002 | 2.7% (Haddad) | 9.7% (Gomes) | 11.0% (Barbosa) | 12.0% (Silva) | 1.7% (Temer) | 5.9% (Dias) | 8.1% (Alckmin) | 20.5% (Bolsonaro) | – | 6.0% | 22.2% | ||
| 27.6% (Lula) cannot run in election | 5.5% (Gomes) | 9.2% (Barbosa) | 7.7% (Silva) | 1.1% (Temer) | 5.4% (Dias) | 6.9% (Alckmin) | 19.5% (Bolsonaro) | – | 4.2% | 12.8% | |||||
| – | 10.1% (Gomes) | 11.2% (Barbosa) | 13.3% (Silva) | 1.7% (Temer) | 6.1% (Dias) | 8.4% (Alckmin) | 20.7% (Bolsonaro) | – | 6.4% | 22.0% | |||||
| DataPoder360 | 16–19 April 2018 | 2,000 | 3.9% (Haddad) | 9.0% (Gomes) | 12.9% (Barbosa) | 10.0% (Silva) | – | 6.0% (Dias) | 8.0% (Alckmin) | 20.0% (Bolsonaro) | – | 5.5% | 24.7% | ||
| 7.4% (Haddad) | 8.4% (Gomes) | 16.3% (Barbosa) | 8.2% (Silva) | – | 6.3% (Dias) | 5.5% (Alckmin) | 22.4% (Bolsonaro) | – | – | 25;5% | |||||
| Vox Populi | 13–15 April 2018 | 2,000 | 47% (Lula) cannot run in election | 2% (Gomes) | 9% (Barbosa) | 7% (Silva) | 1% (Meirelles) | 2% (Dias) | 3% (Alckmin) | 11% (Bolsonaro) | – | 0% | 18% | ||
| 47% (Lula) cannot run in election | 2% (Gomes) | 9% (Barbosa) | 7% (Silva) | 1% (Temer) | 2% (Dias) | 3% (Alckmin) | 12% (Bolsonaro) | – | 0% | 18% | |||||
| Datafolha | 9–13 April 2018 | 4,260 | 2% (Haddad) | 9% (Gomes) | 9% (Barbosa) | 15% (Silva) | 1% (Meirelles) | 5% (Dias) | 7% (Alckmin) | 17% (Bolsonaro) | – | 7% | 26% | ||
| 2% (Haddad) | 9% (Gomes) | 9% (Barbosa) | 15% (Silva) | 2% (Temer) | 4% (Dias) | 7% (Alckmin) | 17% (Bolsonaro) | – | 8% | 28% | |||||
| 2% (Haddad) | 9% (Gomes) | 10% (Barbosa) | 15% (Silva) | – | 5% (Dias) | 8% (Alckmin) | 17% (Bolsonaro) | – | 8% | 27% | |||||
| 31% (Lula) cannot run in election | 5% (Gomes) | 8% (Barbosa) | 10% (Silva) | 1% (Meirelles) | 3% (Dias) | 6% (Alckmin) | 15% (Bolsonaro) | – | 5% | 16% | |||||
| 30% (Lula) cannot run in election | 5% (Gomes) | 8% (Barbosa) | 10% (Silva) | 1% (Temer) | 3% (Dias) | 6% (Alckmin) | 15% (Bolsonaro) | – | 5% | 16% | |||||
| 31% (Lula) cannot run in election | 5% (Gomes) | 8% (Barbosa) | 10% (Silva) | – | 4% (Dias) | 6% (Alckmin) | 16% (Bolsonaro) | – | 4% | 15% | |||||
| 1% (Wagner) | 9% (Gomes) | 9% (Barbosa) | 15% (Silva) | 1% (Meirelles) | 4% (Dias) | 8% (Alckmin) | 17% (Bolsonaro) | – | 9% | 27% | |||||
| 1% (Wagner) | 9% (Gomes) | 9% (Barbosa) | 15% (Silva) | 1% (Temer) | 4% (Dias) | 7% (Alckmin) | 17% (Bolsonaro) | – | 7% | 26% | |||||
| – | 9% (Gomes) | 9% (Barbosa) | 16% (Silva) | 1% (Meirelles) | 4% (Dias) | 8% (Alckmin) | 17% (Bolsonaro) | – | 8% | 26% | |||||
| After Luiz Inácio Lula da Silva is sentenced to 12 years in prison by the Regional Federal Court of the 4th Region, the Supreme Federal Court rules to reject Lula's plea and an arrest warrant is given on 6 April 2018. The ruling of the TRF-4 bars Lula from running in the election | |||||||||||||||
| Polling firm/link | Date(s) administered | Sample size | PT | PDT | PSB | REDE | MDB | PODE | PSDB | NOVO | PSL | Not affiliated | Others | Abst. Undec. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MDA | 28 February–3 March 2018 | 2,002 | 2.3% (Haddad) | 8.1% (Gomes) | – | 12.8% (Silva) | 1.3% (Temer) | 4.0% (Dias) | 8.6% (Alckmin) | 20.0% (Bolsonaro) | – | 4.2% | 38.7% | |
| 2.9% (Haddad) | 9.0% (Gomes) | – | 13.9% (Silva) | 1.3% (Temer) | 4.7% (Dias) | – | 20.9% (Bolsonaro) | – | 5.2% | 42.1% | ||||
| 2.4% (Haddad) | 8.1% (Gomes) | – | 13.4% (Silva) | – | 4.1% (Dias) | 8.7% (Alckmin) | 20.2% (Bolsonaro) | – | 4.6% | 38.5% | ||||
| 33.4% (Lula) | 4.3% (Gomes) | – | 7.8% (Silva) | 0.9% (Temer) | 3.3% (Dias) | 6.4% (Alckmin) | 16.8% (Bolsonaro) | – | 2.5% | 24.6% | ||||
| 2–7 February 2018 | 2,000 | 2.5% (Haddad) | 9.6% (Gomes) | 5.6% (Barbosa) | 9.7% (Silva) | – | 3.0% (Dias) | 4.4% (Alckmin) | 15.9% (Bolsonaro) | – | 5.3% | 44.5% | |
| 2.2% (Wagner) | 10.1% (Gomes) | – | 10.4% (Silva) | 0.6% (Meirelles) | 3.4% (Dias) | 1.1% (Virgílio) | 17.0% (Bolsonaro) | – | 5.1% | 50.7% | ||||
| Datafolha | 29–30 January 2018 | 2,826 | 34% (Lula) | 6% (Gomes) | 3% (Barbosa) | 7% (Silva) | 1% (Meirelles) | 3% (Dias) | 6% (Alckmin) | 15% (Bolsonaro) | 5% (Huck) | 3% | 15% | |
| 1% (Temer) | ||||||||||||||
| 34% (Lula) | 6% (Gomes) | – | 8% (Silva) | 1% (Meirelles) | 3% (Dias) | 6% (Alckmin) | 16% (Bolsonaro) | 6% (Huck) | 4% | 16% | ||||
| 35% (Lula) | 7% (Gomes) | – | 10% (Silva) | – | 4% (Dias) | 4% (Doria) | 17% (Bolsonaro) | – | 5% | 18% | ||||
| 37% (Lula) | 7% (Gomes) | 5% (Barbosa) | – | – | 4% (Dias) | 7% (Alckmin) | 16% (Bolsonaro) | – | 5% | 20% | ||||
| 36% (Lula) | 7% (Gomes) | – | – | 1% (Meirelles) | 4% (Dias) | 7% (Alckmin) | 18% (Bolsonaro) | – | 6% | 22% | ||||
| 2% (Wagner) | 10% (Gomes) | – | 13% (Silva) | 1% (Meirelles) | 5% (Dias) | 8% (Alckmin) | 18% (Bolsonaro) | 8% (Huck) | 6% | 28% | ||||
| 2% (Wagner) | 12% (Gomes) | – | 16% (Silva) | – | 6% (Dias) | 5% (Doria) | 20% (Bolsonaro) | – | 7% | 32% | ||||
| 2% (Wagner) | 12% (Gomes) | 5% (Barbosa) | – | – | 6% (Dias) | 11% (Alckmin) | 19% (Bolsonaro) | – | 9% | 35% | ||||
| 2% (Wagner) | 13% (Gomes) | – | – | 2% (Meirelles) | 6% (Dias) | 11% (Alckmin) | 20% (Bolsonaro) | – | 9% | 36% |
| Polling firm/link | Date(s) administered | Sample size | PT | PDT | PSB | REDE | MDB | PODE | PSDB | NOVO | PSL | Not affiliated | Others | Abst. Undec. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Paraná Pesquisas | 18–21 December 2017 | 2,020 | 29.2% (Lula) | 5.2% (Gomes) | 6.8% (Barbosa) | 8.6% (Silva) | 0.9% (Meirelles) | 3.5% (Dias) | 7.9% (Alckmin) | 21.1% (Bolsonaro) | – | 0.9% | 15.9% | |
| 13.4% (Rousseff) | 7.7% (Gomes) | 7.6% (Barbosa) | 12.2% (Silva) | 1.1% (Meirelles) | 4.0% (Dias) | 8.7% (Alckmin) | 22.8% (Bolsonaro) | – | 1.1% | 21.4% | ||||
| 3.9% (Wagner) | 8.2% (Gomes) | 9.6% (Barbosa) | 14.8% (Silva) | 1.3% (Meirelles) | 4.3% (Dias) | 9.5% (Alckmin) | 23.2% (Bolsonaro) | – | 1.5% | 23.7% | ||||
| Vox Populi | 9–12 December 2017 | 2,000 | 43% (Lula) | 2% (Gomes) | 7% (Barbosa) | 5% (Silva) | 1% (Meirelles) | 1% (Dias) | 4% (Alckmin) | 13% (Bolsonaro) | – | 0% | 24% | |
| 45% (Lula) | 3% (Gomes) | – | 7% (Silva) | – | – | 6% (Alckmin) | 15% (Bolsonaro) | – | – | 25% | ||||
| DataPoder360 | 8–11 December 2017 | 2,210 | 5% (Haddad) | 10% (Gomes) | – | 10% (Silva) | – | – | 7% (Alckmin) | 23% (Bolsonaro) | – | – | 46% | |
| 26% (Lula) | 5% (Gomes) | – | 7% (Silva) | 1% (Meirelles) | 2% (Dias) | 4% (Alckmin) | 21% (Bolsonaro) | – | 14% | 21% | ||||
| 30% (Lula) | 6% (Gomes) | – | 10% (Silva) | – | – | 8% (Alckmin) | 22% (Bolsonaro) | – | – | 26% | ||||
| Datafolha | 29–30 November 2017 | 2,765 | 3% (Haddad) | 12% (Gomes) | – | 16% (Silva) | – | 5% (Dias) | 9% (Alckmin) | 21% (Bolsonaro) | – | 5% | 28% | |
| 3% (Haddad) | 13% (Gomes) | – | 17% (Silva) | – | 6% (Dias) | 6% (Doria) | 21% (Bolsonaro) | – | 5% | 30% | ||||
| 3% (Haddad) | 12% (Gomes) | 8% (Barbosa) | – | – | 6% (Dias) | 11% (Alckmin) | 21% (Bolsonaro) | – | 5% | 32% | ||||
| 3% (Haddad) | 13% (Gomes) | – | – | 2% (Meirelles) | 6% (Dias) | 12% (Alckmin) | 22% (Bolsonaro) | – | 7% | 35% | ||||
| 34% (Lula) | 6% (Gomes) | 5% (Barbosa) | 9% (Silva) | 1% (Temer) | 3% (Dias) | 6% (Alckmin) | 17% (Bolsonaro) | – | 2% | 14% | ||||
| 1% (Meirelles) | ||||||||||||||
| 36% (Lula) | 7% (Gomes) | – | 10% (Silva) | – | 4% (Dias) | 7% (Alckmin) | 18% (Bolsonaro) | – | 3% | 15% | ||||
| 36% (Lula) | 7% (Gomes) | – | 11% (Silva) | – | 4% (Dias) | 5% (Doria) | 18% (Bolsonaro) | – | 4% | 16% | ||||
| 37% (Lula) | 7% (Gomes) | 6% (Barbosa) | – | – | 4% (Dias) | 8% (Alckmin) | 18% (Bolsonaro) | – | 3% | 17% | ||||
| 37% (Lula) | 7% (Gomes) | – | – | 1% (Meirelles) | 4% (Dias) | 9% (Alckmin) | 19% (Bolsonaro) | – | 4% | 17% | ||||
| DataPoder360 | 16–18 November 2017 | 2,171 | 4% (Haddad) | 12% (Gomes) | – | 12% (Silva) | – | – | 9% (Alckmin) | 22% (Bolsonaro) | – | – | 42% | |
| 5% (Haddad) | 14% (Gomes) | – | 14% (Silva) | – | – | 3% (Doria) | 22% (Bolsonaro) | – | – | 43% | ||||
| 26% (Lula) | 4% (Gomes) | – | 8% (Silva) | – | – | 7% (Alckmin) | 25% (Bolsonaro) | – | – | 29% | ||||
| 26% (Lula) | 8% (Gomes) | – | 8% (Silva) | – | – | 9% (Doria) | 18% (Bolsonaro) | – | – | 32% | ||||
| Vox Populi | 27–30 October 2017 | 2,000 | 42% (Lula) | 4% (Gomes) | – | 7% (Silva) | 0% (Temer) | 1% (Dias) | 5% (Alckmin) | 16% (Bolsonaro) | – | 1% | 23% | |
| 41% (Lula) | 4% (Gomes) | – | 7% (Silva) | – | 1% (Dias) | 5% (Alckmin) | 16% (Bolsonaro) | 2% (Huck) | 2% | 22% | ||||
| 42% (Lula) | 4% (Gomes) | – | 8% (Silva) | – | – | 5% (Alckmin) | 17% (Bolsonaro) | – | – | 24% | ||||
| 43% (Lula) | 5% (Gomes) | – | 8% (Silva) | – | – | 3% (Doria) | 16% (Bolsonaro) | – | – | 24% | ||||
| DataPoder360 | 26–29 October 2017 | 2,016 | 4% (Haddad) | 14% (Gomes) | – | 9% (Silva) | – | – | 10% (Alckmin) | 23% (Bolsonaro) | – | – | 40% | |
| 7% (Haddad) | 11% (Gomes) | – | 13% (Silva) | – | – | 8% (Doria) | 24% (Bolsonaro) | – | – | 37% | ||||
| 28% (Lula) | 5% (Gomes) | – | 6% (Silva) | – | – | 7% (Alckmin) | 25% (Bolsonaro) | – | – | 29% | ||||
| 32% (Lula) | 6% (Gomes) | – | 5% (Silva) | – | – | 9% (Doria) | 20% (Bolsonaro) | – | – | 28% | ||||
| IBOPE | 18–22 October 2017 | 2,002 | 1% (Haddad) | 7% (Gomes) | – | 15% (Silva) | 1% (Meirelles) | 3% (Dias) | 7% (Alckmin) | 15% (Bolsonaro) | 8% (Huck) | 3% | 34% | |
| 5% (Doria) | ||||||||||||||
| 2% (Haddad) | 9% (Gomes) | – | 18% (Silva) | 1% (Meirelles) | 4% (Dias) | 8% (Alckmin) | 18% (Bolsonaro) | – | 4% | 36% | ||||
| 2% (Haddad) | 11% (Gomes) | – | 19% (Silva) | 1% (Meirelles) | 4% (Dias) | 6% (Doria) | 17% (Bolsonaro) | – | 3% | 37% | ||||
| 35% (Lula) | 3% (Gomes) | – | 8% (Silva) | 0% (Meirelles) | 2% (Dias) | 5% (Alckmin) | 13% (Bolsonaro) | 5% (Huck) | 2% | 23% | ||||
| 4% (Doria) | ||||||||||||||
| 35% (Lula) | 5% (Gomes) | – | 11% (Silva) | 0% (Meirelles) | 3% (Dias) | 7% (Alckmin) | 15% (Bolsonaro) | – | 3% | 23% | ||||
| 36% (Lula) | 5% (Gomes) | – | 11% (Silva) | 1% (Meirelles) | 3% (Dias) | 5% (Doria) | 15% (Bolsonaro) | – | 2% | 22% | ||||
| Datafolha | 27–28 September 2017 | 2,772 | 3% (Haddad) | 9% (Gomes) | – | 22% (Silva) | 2% (Meirelles) | 5% (Dias) | 9% (Alckmin) | 19% (Bolsonaro) | – | 3% | 28% | |
| 2% (Haddad) | 7% (Gomes) | 5% (Barbosa) | 17% (Silva) | 2% (Meirelles) | 3% (Dias) | 8% (Alckmin) | 15% (Bolsonaro) | 9% (Moro) | 3% | 23% | ||||
| 6% (Doria) | ||||||||||||||
| 2% (Haddad) | 9% (Gomes) | – | 20% (Silva) | 2% (Meirelles) | 5% (Dias) | 9% (Alckmin) | 17% (Bolsonaro) | – | 2% | 27% | ||||
| 7% (Doria) | ||||||||||||||
| 35% (Lula) | 4% (Gomes) | – | 13% (Silva) | 2% (Meirelles) | 4% (Dias) | 8% (Alckmin) | 17% (Bolsonaro) | – | 1% | 17% | ||||
| 35% (Lula) | – | – | 13% (Silva) | 2% (Meirelles) | 4% (Dias) | 8% (Alckmin) | 17% (Bolsonaro) | – | 2% | 18% | ||||
| 36% (Lula) | – | – | 14% (Silva) | 2% (Meirelles) | 4% (Dias) | 8% (Doria) | 16% (Bolsonaro) | – | 2% | 18% | ||||
| – | 10% (Gomes) | – | 22% (Silva) | 2% (Meirelles) | 5% (Dias) | 10% (Alckmin) | 19% (Bolsonaro) | – | 3% | 29% | ||||
| – | 10% (Gomes) | – | 23% (Silva) | 2% (Meirelles) | 5% (Dias) | 10% (Doria) | 18% (Bolsonaro) | – | 3% | 29% | ||||
| Paraná Pesquisas | 18–22 September 2017 | 2,040 | 4.0% (Haddad) | 7.5% (Gomes) | 9.7% (Barbosa) | 15.3% (Silva) | 2.2% (Meirelles) | 4.6% (Dias) | 9.7% (Alckmin) | 20.9% (Bolsonaro) | – | – | 26.2% | |
| 3.4% (Haddad) | 7.4% (Gomes) | 8.9% (Barbosa) | 15.4% (Silva) | 2.3% (Meirelles) | 4.4% (Dias) | 13.5% (Doria) | 19.6% (Bolsonaro) | – | – | 25.3% | ||||
| 26.5% (Lula) | 4.5% (Gomes) | 8.3% (Barbosa) | 9.8% (Silva) | 1.6% (Meirelles) | 3.9% (Dias) | 8.4% (Alckmin) | 20.0% (Bolsonaro) | – | – | 17.0% | ||||
| 26.6% (Lula) | 4.3% (Gomes) | 7.5% (Barbosa) | 9.7% (Silva) | 1.5% (Meirelles) | 3.8% (Dias) | 11.5% (Doria) | 18.5% (Bolsonaro) | – | – | 16.5% | ||||
| DataPoder360 | 15–17 September 2017 | 2,280 | 4% (Haddad) | 11% (Gomes) | – | 12% (Silva) | – | – | 7% (Alckmin) | 26% (Bolsonaro) | – | – | 41% | |
| 3% (Haddad) | 11% (Gomes) | – | 13% (Silva) | – | – | 8% (Doria) | 26% (Bolsonaro) | – | – | 40% | ||||
| 27% (Lula) | 6% (Gomes) | – | 6% (Silva) | – | – | 5% (Alckmin) | 24% (Bolsonaro) | – | – | 32% | ||||
| 28% (Lula) | 6% (Gomes) | – | 7% (Silva) | – | – | 10% (Doria) | 20% (Bolsonaro) | – | – | 28% | ||||
| MDA | 13–16 September 2017 | 2,002 | 32.0% (Lula) | 4.6% (Gomes) | – | 11.4% (Silva) | – | – | 8.7% (Alckmin) | 19.4% (Bolsonaro) | – | – | 23.9% | |
| 32.7% (Lula) | 5.2% (Gomes) | – | 12.0% (Silva) | – | – | 9.4% (Doria) | 18.4% (Bolsonaro) | – | – | 22;3% | ||||
| 32.4% (Lula) | 5.3% (Gomes) | – | 12.1% (Silva) | – | – | 3.2% (Neves) | 19.8% (Bolsonaro) | – | – | 27.2% | ||||
| DataPoder360 | 12–14 August 2017 | 2,088 | 3% (Haddad) | 8% (Gomes) | – | 8% (Silva) | – | – | 9% (Alckmin) | 27% (Bolsonaro) | – | – | 45% | |
| 5% (Haddad) | 9% (Gomes) | – | 6% (Silva) | – | – | 12% (Doria) | 25% (Bolsonaro) | – | – | 44% | ||||
| 32% (Lula) | 4% (Gomes) | – | 3% (Silva) | – | – | 4% (Alckmin) | 25% (Bolsonaro) | – | – | 33% | ||||
| 31% (Lula) | 6% (Gomes) | – | 3% (Silva) | – | – | 12% (Doria) | 18% (Bolsonaro) | – | – | 30% | ||||
| Vox Populi | 29–31 July 2017 | 1,999 | 47% (Lula) | 3% (Gomes) | – | 6% (Silva) | 1% (Temer) | – | 5% (Alckmin) | 13% (Bolsonaro) | – | 2% | 22% | |
| 47% (Lula) | 3% (Gomes) | – | 7% (Silva) | – | – | 6% (Alckmin) | 13% (Bolsonaro) | – | – | 23% | ||||
| 48% (Lula) | 4% (Gomes) | – | 8% (Silva) | – | – | 4% (Doria) | 13% (Bolsonaro) | – | – | 24% | ||||
| Paraná Pesquisas | 24–27 July 2017 | 2,020 | 26.1% (Lula) | 4.5% (Gomes) | 9.8% (Barbosa) | 7.0% (Silva) | – | 4.1% (Dias) | 7.3% (Alckmin) | 20.8% (Bolsonaro) | – | – | 20.5% | |
| 25.8% (Lula) | 4.5% (Gomes) | 8.7% (Barbosa) | 7.1% (Silva) | – | 3.5% (Dias) | 12.3% (Doria) | 18.7% (Bolsonaro) | – | – | 19.6% | ||||
| DataPoder360 | 9–10 July 2017 | 2,178 | 26% (Lula) | 5% (Gomes) | – | 6% (Silva) | – | – | 10% (Alckmin) | 21% (Bolsonaro) | – | – | 34% | |
| 23% (Lula) | 4% (Gomes) | – | 12% (Silva) | – | – | 13% (Doria) | 21% (Bolsonaro) | – | – | 27% | ||||
| Datafolha | 21–23 June 2017 | 2,771 | 3% (Haddad) | – | 13% (Barbosa) | 22% (Silva) | – | – | 10% (Alckmin) | 16% (Bolsonaro) | – | 8% | 28% | |
| 30% (Lula) | 5% (Gomes) | – | 15% (Silva) | – | – | 8% (Alckmin) | 16% (Bolsonaro) | – | 6% | 20% | ||||
| 30% (Lula) | 6% (Gomes) | – | 15% (Silva) | – | – | 10% (Doria) | 15% (Bolsonaro) | – | 6% | 18% | ||||
| 30% (Lula) | – | 11% (Barbosa) | 15% (Silva) | – | – | 8% (Alckmin) | 15% (Bolsonaro) | – | 6% | 16% | ||||
| 29% (Lula) | – | 10% (Barbosa) | 15% (Silva) | – | – | 9% (Doria) | 13% (Bolsonaro) | – | 5% | 17% | ||||
| 29% (Lula) | – | – | 14% (Silva) | – | – | 6% (Alckmin) | 13% (Bolsonaro) | 14% (Moro) | 5% | 17% | ||||
| – | 9% (Gomes) | 12% (Barbosa) | 22% (Silva) | – | – | 9% (Alckmin) | 16% (Bolsonaro) | – | 7% | 26% | ||||
| – | 12% (Gomes) | – | 27% (Silva) | – | – | 14% (Doria) | 18% (Bolsonaro) | – | – | 29% | ||||
| DataPoder360 | 17–19 June 2017 | 2,096 | 27% (Lula) | 5% (Gomes) | – | 5% (Silva) | – | – | 7% (Alckmin) | 14% (Bolsonaro) | – | – | 43% | |
| 27% (Lula) | 6% (Gomes) | – | 6% (Silva) | – | – | 11% (Doria) | 15% (Bolsonaro) | – | – | 35% | ||||
| Vox Populi | 2–4 June 2017 | 2,000 | 45% (Lula) | 4% (Gomes) | – | 8% (Silva) | – | – | 4% (Alckmin) | 13% (Bolsonaro) | – | – | 25% | |
| 45% (Lula) | 5% (Gomes) | – | 9% (Silva) | – | – | 4% (Doria) | 12% (Bolsonaro) | – | – | 25% | ||||
| 46% (Lula) | 5% (Gomes) | – | 9% (Silva) | – | – | 1% (Neves) | 13% (Bolsonaro) | – | – | 26% | ||||
| Paraná Pesquisas | 25–29 May 2017 | 2,022 | 3.1% (Haddad) | 6.7% (Gomes) | 8.7% (Barbosa) | 14.9% (Silva) | – | – | 13.6% (Doria) | 17.2% (Bolsonaro) | – | 7.4% | 28.3% | |
| 25.4% (Lula) | 4.2% (Gomes) | 8.1% (Barbosa) | 10.4% (Silva) | – | – | 6.4% (Alckmin) | 16.8% (Bolsonaro) | 7.3% (Huck) | 2.9% | 18.5% | ||||
| 25.8% (Lula) | 4.3% (Gomes) | 8.1% (Barbosa) | 11.1% (Silva) | – | – | 12.1% (Doria) | 16.1% (Bolsonaro) | – | 3.1% | 19.4% | ||||
| DataPoder360 | 7–8 May 2017 | 2,157 | 25% (Lula) | 5% (Gomes) | – | 7% (Silva) | – | – | 4% (Alckmin) | 21% (Bolsonaro) | – | – | 38% | |
| 27% (Lula) | 6% (Gomes) | – | 6% (Silva) | – | – | 13% (Doria) | 17% (Bolsonaro) | – | – | 32% | ||||
| Datafolha | 26–27 April 2017 | 2,781 | 30% (Lula) | 6% (Gomes) | – | 16% (Silva) | 2% (Temer) | – | 6% (Alckmin) | 14% (Bolsonaro) | – | 5% | 26% | |
| 31% (Lula) | 6% (Gomes) | – | 16% (Silva) | 2% (Temer) | – | 9% (Doria) | 13% (Bolsonaro) | – | 4% | 26% | ||||
| 30% (Lula) | 5% (Gomes) | – | 14% (Silva) | 2% (Temer) | – | 8% (Neves) | 15% (Bolsonaro) | – | 4% | 21% | ||||
| – | 11% (Gomes) | – | 25% (Silva) | – | – | 8% (Alckmin) | 16% (Bolsonaro) | – | 8% | 33% | ||||
| – | 12% (Gomes) | – | 25% (Silva) | – | – | 11% (Doria) | 14% (Bolsonaro) | – | 7% | 31% | ||||
| DataPoder360 | 16–17 April 2017 | 2,058 | 24% (Lula) | 5% (Gomes) | – | 11% (Silva) | – | – | 8% (Alckmin) | 18% (Bolsonaro) | – | – | 34% | |
| 25% (Lula) | 5% (Gomes) | – | 9% (Silva) | – | – | 13% (Doria) | 14% (Bolsonaro) | – | – | 33% | ||||
| 25% (Lula) | 4% (Gomes) | – | 11% (Silva) | – | – | 7% (Neves) | 19% (Bolsonaro) | – | – | 35% | ||||
| Vox Populi | 6–10 April 2017 | 2,000 | 45% (Lula) | 4% (Gomes) | – | 11% (Silva) | – | – | 6% (Alckmin) | 12% (Bolsonaro) | – | – | 23% | |
| 45% (Lula) | 5% (Gomes) | – | 11% (Silva) | – | – | 6% (Doria) | 11% (Bolsonaro) | – | – | 23% | ||||
| 44% (Lula) | 4% (Gomes) | – | 10% (Silva) | – | – | 9% (Neves) | 11% (Bolsonaro) | – | – | 22% | ||||
| Paraná Pesquisas | 12–15 February 2017 | 2,020 | 22.9% (Lula) | 4.7% (Gomes) | 11.5% (Barbosa) | 12.8% (Silva) | 3.8% (Temer) | – | 11.9% (Alckmin) | 12.2% (Bolsonaro) | – | 1.9% | 18.1% | |
| 23.3% (Lula) | 5.6% (Gomes) | 11.3% (Barbosa) | 13.7% (Silva) | 4.3% (Temer) | – | 9.1% (Doria) | 11.9% (Bolsonaro) | – | 1.6% | 19.1% | ||||
| 22.6% (Lula) | 4.9% (Gomes) | 11.7% (Barbosa) | 12.6% (Silva) | 3.8% (Temer) | – | 12.9% (Neves) | 12.0% (Bolsonaro) | – | 2.0% | 17.6% | ||||
| MDA | 8–11 February 2017 | 2,002 | 31.8% (Lula) | 5.3% (Gomes) | – | 12.1% (Silva) | – | – | 9.1% (Alckmin) | 11.7% (Bolsonaro) | – | – | 29% | |
| 30.5% (Lula) | 5% (Gomes) | – | 11.8% (Silva) | 3.7% (Temer) | – | 10.1% (Neves) | 11.3% (Bolsonaro) | – | – | 26.6% | ||||
| 32.8% (Lula) | – | – | 13.9% (Silva) | – | – | 12.1% (Neves) | 12% (Bolsonaro) | – | – | 29.2% |
| Polling firm/link | Date(s) administered | Sample size | PT | PDT | PSB | REDE | MDB | PODE | PSDB | NOVO | PSL | Not affiliated | Others | Abst. Undec. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Vox Populi | 10–14 December 2016 | 2,500 | 38% (Lula) | 5% (Gomes) | – | 12% (Silva) | – | – | 10% (Alckmin) | 7% (Bolsonaro) | – | – | 28% | |
| 37% (Lula) | 4% (Gomes) | – | 10% (Silva) | – | – | 13% (Neves) | 7% (Bolsonaro) | – | – | 29% | ||||
| Datafolha | 7–8 December 2016 | 2,828 | 26% (Lula) | 6% (Gomes) | – | 17% (Silva) | 4% (Temer) | – | 8% (Alckmin) | 8% (Bolsonaro) | – | 5% | 26% | |
| 25% (Lula) | 5% (Gomes) | – | 15% (Silva) | 4% (Temer) | – | 11% (Neves) | 9% (Bolsonaro) | – | 5% | 26% | ||||
| 25% (Lula) | 6% (Gomes) | – | 16% (Silva) | 4% (Temer) | – | 9% (Serra) | 9% (Bolsonaro) | – | 5% | 26% | ||||
| MDA | 13–16 October 2016 | 2,002 | 25.3% (Lula) | 8.4% (Gomes) | – | 14.0% (Silva) | 6.1% (Temer) | – | 13.4% (Alckmin) | 6.9% (Bolsonaro) | – | – | 25.9% | |
| 24.8% (Lula) | 7.4% (Gomes) | – | 13.3% (Silva) | 6.2% (Temer) | – | 15.7% (Neves) | 6.5% (Bolsonaro) | – | – | 26.1% | ||||
| 27.6% (Lula) | – | – | 16.5% (Silva) | – | – | 18.9% (Neves) | 7.9% (Bolsonaro) | – | – | 29.1% | ||||
| Vox Populi | 9–13 October 2016 | 2,000 | 35% (Lula) | 6% (Gomes) | – | 13% (Silva) | – | – | 12% (Alckmin) | 7% (Bolsonaro) | – | – | 28% | |
| 34% (Lula) | 5% (Gomes) | – | 11% (Silva) | – | – | 15% (Neves) | 7% (Bolsonaro) | – | – | 27% | ||||
| Vox Populi | 29 July–1 August 2016 | 1,500 | 29% (Lula) | 6% (Gomes) | – | 18% (Silva) | – | – | 11% (Alckmin) | 7% (Bolsonaro) | – | – | 29% | |
| 28% (Lula) | 6% (Gomes) | – | 15% (Silva) | – | – | 18% (Neves) | 7% (Bolsonaro) | – | – | 27% | ||||
| 29% (Lula) | 6% (Gomes) | – | 19% (Silva) | – | – | 13% (Serra) | 7% (Bolsonaro) | – | – | 27% | ||||
| Datafolha | 14–15 July 2016 | 2,792 | 23% (Lula) | 6% (Gomes) | – | 18% (Silva) | 6% (Temer) | – | 8% (Alckmin) | 8% (Bolsonaro) | – | 5% | 27% | |
| 22% (Lula) | 5% (Gomes) | – | 17% (Silva) | 5% (Temer) | – | 14% (Neves) | 7% (Bolsonaro) | – | 4% | 25% | ||||
| 23% (Lula) | 6% (Gomes) | – | 17% (Silva) | 6% (Temer) | – | 11% (Serra) | 7% (Bolsonaro) | – | 5% | 26% | ||||
| Vox Populi | June 2016 | – | 29% (Lula) | 6% (Gomes) | – | 18% (Silva) | – | – | 16% (Neves) | 6% (Bolsonaro) | – | – | 25% | |
| MDA | 2–5 June 2016 | 2,002 | 22.3% (Lula) | 6.3% (Gomes) | – | 16.6% (Silva) | 6.2% (Temer) | – | 9.6% (Alckmin) | 6.2% (Bolsonaro) | – | – | 32.8% | |
| 22% (Lula) | 6% (Gomes) | – | 14.8% (Silva) | 5.4% (Temer) | – | 15.9% (Neves) | 5.8% (Bolsonaro) | – | – | 30.1% | ||||
| Vox Populi | 9–12 April 2016 | – | 29% (Lula) | 5% (Gomes) | – | 18% (Silva) | – | – | 17% (Neves) | 7% (Bolsonaro) | – | – | 23% | |
| 31% (Lula) | – | – | 23% (Silva) | – | – | 20% (Neves) | – | – | – | 26% | ||||
| Datafolha | 7–8 April 2016 | 2,779 | 22% (Lula) | 8% (Gomes) | – | 23% (Silva) | 2% (Temer) | – | 9% (Alckmin) | 8% (Bolsonaro) | – | 4% | 24% | |
| 21% (Lula) | 7% (Gomes) | – | 19% (Silva) | 2% (Temer) | – | 17% (Neves) | 8% (Bolsonaro) | – | 4% | 22% | ||||
| 22% (Lula) | 7% (Gomes) | – | 22% (Silva) | 2% (Temer) | – | 11% (Serra) | 7% (Bolsonaro) | – | 4% | 24% | ||||
| Paraná Pesquisas | 3–6 April 2016 | 2,044 | 15.4% (Lula) | 6.7% (Gomes) | – | 24.7% (Silva) | 1.9% (Temer) | 3.2% (Dias) | 18.3% (Alckmin) | 8.3% (Bolsonaro) | – | 2.9% | 18.6% | |
| 15.7% (Lula) | 6.4% (Gomes) | – | 21.0% (Silva) | 1.9% (Temer) | 2.7% (Dias) | 23.5% (Neves) | 8.4% (Bolsonaro) | – | 2.9% | 17.6% | ||||
| 15.4% (Lula) | 6.9% (Gomes) | – | 24.8% (Silva) | 1.9% (Temer) | 2.9% (Dias) | 18.0% (Serra) | 8.5% (Bolsonaro) | – | 2.9% | 18.7% | ||||
| Datafolha | 17–18 March 2016 | – | 17% (Lula) | 7% (Gomes) | – | 23% (Silva) | 2% (Temer) | – | 11% (Alckmin) | 6% (Bolsonaro) | – | 6% | 27% | |
| 17% (Lula) | 6% (Gomes) | – | 21% (Silva) | 1% (Temer) | – | 19% (Neves) | 6% (Bolsonaro) | – | 7% | 24% | ||||
| 17% (Lula) | 7% (Gomes) | – | 24% (Silva) | 1% (Temer) | – | 13% (Serra) | 7% (Bolsonaro) | – | 7% | 25% | ||||
| Paraná Pesquisas | 28 February–2 March 2016 | 2,022 | 16.9% (Lula) | 6.5% (Gomes) | – | 22.3% (Silva) | – | 3.1% (Dias) | 16.6% (Alckmin) | 8.7% (Bolsonaro) | – | 6.0% | 19.9% | |
| 16.8% (Lula) | 4.7% (Gomes) | – | 18.2% (Silva) | – | 2.7% (Dias) | 27.6% (Neves) | 8.4% (Bolsonaro) | – | 4.9% | 16.7% | ||||
| Datafolha | 24–25 February 2016 | – | 20% (Lula) | 6% (Gomes) | – | 23% (Silva) | 2% (Temer) | – | 12% (Alckmin) | 7% (Bolsonaro) | – | 5% | 25% | |
| 20% (Lula) | 5% (Gomes) | – | 19% (Silva) | 1% (Temer) | – | 24% (Neves) | 6% (Bolsonaro) | – | 4% | 21% | ||||
| 21% (Lula) | 5% (Gomes) | – | 23% (Silva) | 2% (Temer) | – | 15% (Serra) | 6% (Bolsonaro) | – | 5% | 24% | ||||
| MDA | 18–21 February 2016 | 2,002 | 19.7% (Lula) | 7.4% (Gomes) | – | 18.0% (Silva) | – | – | 13.8% (Alckmin) | 6.3% (Bolsonaro) | – | – | 34.8% | |
| 19.1% (Lula) | 5.8% (Gomes) | – | 14.7% (Silva) | – | – | 24.6% (Neves) | 6.1% (Bolsonaro) | – | – | 29.7% | ||||
| 19.7% (Lula) | 7.2% (Gomes) | – | 17.8% (Silva) | – | – | 14.5% (Serra) | 6.4% (Bolsonaro) | – | – | 34.4% |
| Polling firm/link | Date(s) administered | Sample size | PT | PDT | PSB | REDE | MDB | PODE | PSDB | NOVO | PSL | Not affiliated | Others | Abst. Undec. | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Datafolha | 16–17 December 2015 | – | 22% (Lula) | 7% (Gomes) | – | 24% (Silva) | 1% (Temer) | – | 14% (Alckmin) | 5% (Bolsonaro) | – | 4% | 23% | ||
| 20% (Lula) | 6% (Gomes) | – | 19% (Silva) | 2% (Temer) | – | 27% (Neves) | 4% (Bolsonaro) | – | 3% | 19% | |||||
| Datafolha | 25–26 November 2015 | 3,541 | 22% (Lula) | – | – | 28% (Silva) | – | – | 18% (Alckmin) | – | – | 8% | 23% | ||
| 22% (Lula) | – | – | 21% (Silva) | – | – | 31% (Neves) | – | – | 7% | 19% | |||||
| 22% (Lula) | – | – | 28% (Silva) | 2% (Temer) | – | 18% (Alckmin) | – | – | 7% | 24% | |||||
| 22% (Lula) | – | – | 21% (Silva) | 2% (Temer) | – | 31% (Neves) | – | – | 5% | 19% | |||||
| Paraná Pesquisas | 28 October–2 November 2015 | 2,085 | 18.2% (Lula) | 6.1% (Gomes) | – | 24.3% (Silva) | 1.6% (Temer) | – | 22.6% (Alckmin) | 5.7% (Bolsonaro) | – | 1.4% | 20.1% | ||
| 17.1% (Lula) | 5.2% (Gomes) | – | 19.7% (Silva) | 1.5% (Temer) | – | 34.2% (Neves) | 5.3% (Bolsonaro) | – | 1.0% | 16.0% | |||||
| 17.7% (Lula) | 6.0% (Gomes) | – | 23.8% (Silva) | 2.0% (Temer) | – | 25.5% (Serra) | 5.8% (Bolsonaro) | – | 1.4% | 17.8% | |||||
| MDA | 20–24 October 2015 | 2,002 | 23.1% (Lula) | – | – | 27.8% (Silva) | – | – | 19.9% (Alckmin) | – | – | – | 29.2% | ||
| 21.6% (Lula) | – | – | 21.3% (Silva) | – | – | 32.0% (Neves) | – | – | – | 25.1% | |||||
| 23.5% (Lula) | – | – | 27.9% (Silva) | – | – | 19.6% (Serra) | – | – | – | 29.0% | |||||
| MDA | 12–16 July 2015 | 2,002 | 24.9% (Lula) | – | – | 23.1% (Silva) | – | – | 21.5% (Alckmin) | 5.1% (Bolsonaro) | – | – | 25.4% | ||
| 22.8% (Lula) | – | – | 15.6% (Silva) | – | – | 35.1% (Neves) | 4.6% (Bolsonaro) | – | – | 21.9% | |||||
| 25.0% (Lula) | – | – | 23.3% (Silva) | – | – | 21.2% (Serra) | 5.5% (Bolsonaro) | – | – | 25.0% | |||||
| Datafolha | 17–18 June 2015 | 2,840 | 26% (Lula) | – | – | 25% (Silva) | – | – | 20% (Alckmin) | – | – | 8% | 21% | ||
| 25% (Lula) | – | – | 18% (Silva) | – | – | 35% (Neves) | – | – | 6% | 16% | |||||
| Datafolha | 9–10 April 2015 | 2,834 | 29% (Lula) | – | 13% (Barbosa) | 14% (Silva) | – | – | 33% (Neves) | – | – | 3% | 9% | ||
| Paraná Pesquisas | 26–31 March 2015 | 2,022 | 17.9% (Lula) | – | – | 24.3% (Silva) | – | – | 37.1% (Neves) | – | – | – | 20.6% | ||
| 16.4% (Rousseff) | – | – | 27.6% (Silva) | – | – | 39.2% (Neves) | – | – | – | 16.8% | |||||
| 2014 election | 5 October 2014 | 115,122,611 | 41.6% (Rousseff) | – | 21.3% (Silva) | – | – | – | 33.6% (Neves) | – | – | 24.8% | 19.4% |
| Polling firm/link | Date(s) administered | Sample size | Haddad | Bolsonaro | Abst. Undec. | |
|---|---|---|---|---|---|---|
| Results of the second round | – | – | 44,87% | 55,13% | – | |
| Datafolha | 26–27 October 2018 | 18,731 | 39% | 47% | 13% | |
| Ibope | 26–27 October 2018 | 3,010 | 41% | 47% | 12% | |
| CNT/MDA | 26–27 October 2018 | 2,002 | 37% | 49% | 14% | |
| Datafolha | 24–25 October 2018 | 9,173 | 38% | 48% | 14% | |
| Paraná Pesquisas | 23–25 October 2018 | 2,120 | 35% | 53% | 12% | |
| RealTime Big Data | 24 October 2018 | 5,000 | 38% | 49% | 13% | |
| Ipespe | 23–24 October 2018 | 2,000 | 37% | 51% | 12% | |
| Ibope | 21–23 October 2018 | 3,010 | 37% | 50% | 13% | |
| FSB Pesquisa | 20–21 October 2018 | 2,000 | 35% | 52% | 13% | |
| CNT/MDA | 20–21 October 2018 | 2,002 | 37% | 49% | 14% | |
| RealTime Big Data | 19–20 October 2018 | 5,000 | 37% | 52% | 11% | |
| DataPoder360 | 17–18 October 2018 | 4,000 | 31% | 57% | 12% | |
| Datafolha | 17–18 October 2018 | 9,137 | 35% | 50% | 15% | |
| RealTime Big Data | 16–17 October 2018 | 5,000 | 35% | 52% | 13% | |
| Ipespe | 15–17 October 2018 | 2,000 | 37% | 51% | 13% | |
| Paraná Pesquisas | 14–17 October 2018 | 2,080 | 34% | 53% | 13% | |
| Ibope | 13–14 October 2018 | 2,506 | 37% | 52% | 12% | |
| FSB Pesquisa | 13–14 October 2018 | 2,000 | 35% | 51% | 14% | |
| RealTime Big Data | 12–13 October 2018 | 5,000 | 33% | 48% | 19% | |
| Datafolha | 10 October 2018 | 3,235 | 36% | 49% | 15% | |
| Idea Big Data | 8–10 October 2018 | 2,036 | 41% | 48% | 11% | |
| Ipespe | 8–9 October 2018 | 2,000 | 36% | 51% | 13% |
| Polling firm/link | Date(s) administered | Sample Size | PT | PDT | PSB | REDE | MDB | PODE | PSDB | PSL | Not affiliated | Abst. Undec. | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ibope | 5–6 October 2018 | 3,010 | 41% (Haddad) | – | – | – | – | – | – | 45% (Bolsonaro) | – | 15% | ||
| – | 45% (Gomes) | – | – | – | – | – | 41% (Bolsonaro) | – | 13% | |||||
| – | – | – | 36% (Silva) | – | – | – | 46% (Bolsonaro) | – | 18% | |||||
| – | – | – | – | – | – | 40% (Alckmin) | 43% (Bolsonaro) | – | 17% | |||||
| Datafolha | 5–6 October 2018 | 19,552 | 38% (Haddad) | – | – | – | – | – | 41% (Alckmin) | – | – | 20% | ||
| 43% (Haddad) | – | – | – | – | – | – | 45% (Bolsonaro) | – | 12% | |||||
| – | 47% (Gomes) | – | – | – | – | – | 43% (Bolsonaro) | – | 10% | |||||
| – | – | – | – | – | – | 41% (Alckmin) | 43% (Bolsonaro) | – | 15% | |||||
| CNT/MDA | 4–5 October 2018 | 2,002 | 31.1% (Haddad) | 40.9% (Gomes) | – | – | – | – | – | – | – | 28.0% | ||
| 37.0% (Haddad) | – | – | – | – | – | 34.3% (Alckmin) | – | – | 31.7% | |||||
| 38.7% (Haddad) | – | – | – | – | – | – | 45.2% (Bolsonaro) | – | 16.1% | |||||
| – | 46.1% (Gomes) | – | – | – | – | 24.4% (Alckmin) | – | – | 29.5% | |||||
| – | 41.2% (Gomes) | – | – | – | – | – | 41.9% (Bolsonaro) | – | 16.9% | |||||
| – | – | – | – | – | – | 33.5% (Alckmin) | 43.3% (Bolsonaro) | – | 23.2% | |||||
| XP/Ipespe | 3–4 October 2018 | 2,000 | 36% (Haddad) | – | – | – | – | – | 40% (Alckmin) | – | – | 24% | ||
| 42% (Haddad) | – | – | – | – | – | – | 43% (Bolsonaro) | – | 15% | |||||
| – | 36% (Gomes) | – | – | – | – | 33% (Alckmin) | – | – | 31% | |||||
| – | 44% (Gomes) | – | – | – | – | – | 39% (Bolsonaro) | – | 18% | |||||
| – | – | – | – | – | – | 44% (Alckmin) | 42% (Bolsonaro) | – | 15% | |||||
| RealTime Big Data | 3–4 October 2018 | 10,000 | 40% (Haddad) | – | – | – | – | – | – | 43% (Bolsonaro) | – | 17% | ||
| – | 48% (Gomes) | – | – | – | – | – | 38% (Bolsonaro) | – | 14% | |||||
| – | – | – | 37% (Silva) | – | – | – | 40% (Bolsonaro) | – | 23% | |||||
| – | – | – | – | – | – | 41% (Alckmin) | 42% (Bolsonaro) | – | 17% | |||||
| DataPoder360 | 3–4 October 2018 | 4,000 | 28% (Haddad) | 41% (Gomes) | – | – | – | – | – | – | – | 30% | ||
| 42% (Haddad) | – | – | – | – | – | – | 45% (Bolsonaro) | – | 13% | |||||
| – | 46% (Gomes) | – | – | – | – | – | 41% (Bolsonaro) | – | 13% | |||||
| – | – | – | – | – | – | 42% (Alckmin) | 42% (Bolsonaro) | – | 16% | |||||
| Datafolha | 3–4 October 2018 | 10,930 | 38% (Haddad) | – | – | – | – | – | 42% (Alckmin) | – | – | 20% | ||
| 43% (Haddad) | – | – | – | – | – | 44% (Bolsonaro) | – | 12% | ||||||
| – | 48% (Gomes) | – | – | – | – | 42% (Bolsonaro) | – | 11% | ||||||
| – | – | – | – | – | – | 43% (Alckmin) | 42% (Bolsonaro) | – | 15% | |||||
| Paraná Pesquisas | 2–4 October 2018 | 2,080 | 31.8% (Haddad) | 40.7% (Gomes) | – | – | – | – | – | – | – | 27.5% | ||
| 35.2% (Haddad) | – | – | – | – | – | 37.5% (Alckmin) | – | – | 27.2% | |||||
| 38.1% (Haddad) | – | – | – | – | – | – | 47.1% (Bolsonaro) | – | 14.8% | |||||
| – | 42.5% (Gomes) | – | – | – | – | – | 44.2% (Bolsonaro) | – | 13.3% | |||||
| – | – | – | – | – | – | 35.9% (Alckmin) | 44.5% (Bolsonaro) | – | 19.5% | |||||
| Movimento Parlamentarista Brasileiro | 28 September –3 October 2018 | 2,500 | 41% (Haddad) | – | – | – | – | – | – | 37% (Bolsonaro) | – | 22% | ||
| – | 41% (Gomes) | – | – | – | – | – | 35% (Bolsonaro) | – | 24% | |||||
| – | – | – | 35% (Silva) | – | – | – | 37% (Bolsonaro) | – | 28% | |||||
| – | – | – | – | – | – | 36% (Alckmin) | 36% (Bolsonaro) | – | 28% | |||||
| Datafolha | 2 October 2018 | 3,240 | 32% (Haddad) | 46% (Gomes) | – | – | – | – | – | – | – | 22% | ||
| 36% (Haddad) | – | – | – | – | – | 43% (Alckmin) | – | – | 21% | |||||
| 42% (Haddad) | – | – | – | – | – | – | 44% (Bolsonaro) | – | 14% | |||||
| – | 42% (Gomes) | – | – | – | – | 37% (Alckmin) | – | – | 21% | |||||
| – | 46% (Gomes) | – | – | – | – | – | 42% (Bolsonaro) | – | 12% | |||||
| – | – | – | – | – | – | 43% (Alckmin) | 41% (Bolsonaro) | – | 16% | |||||
| Ibope | 1–2 October 2018 | 3,010 | 43% (Haddad) | – | – | – | – | – | – | 41% (Bolsonaro) | – | 15% | ||
| – | 46% (Gomes) | – | – | – | – | – | 39% (Bolsonaro) | – | 16% | |||||
| – | – | – | 39% (Silva) | – | – | – | 43% (Bolsonaro) | – | 18% | |||||
| – | – | – | – | – | – | 41% (Alckmin) | 40% (Bolsonaro) | – | 19% | |||||
| FSB Pesquisa | 29–30 September 2018 | 2,000 | 42% (Haddad) | – | – | – | – | – | – | 43% (Bolsonaro) | – | 15% | ||
| – | 45% (Gomes) | – | – | – | – | – | 41% (Bolsonaro) | – | 14% | |||||
| – | – | – | 39% (Silva) | – | – | – | 44% (Bolsonaro) | – | 18% | |||||
| – | – | – | – | – | – | 42% (Alckmin) | 41% (Bolsonaro) | – | 17% | |||||
| Ibope | 29–30 September 2018 | 3,010 | 42% (Haddad) | – | – | – | – | – | – | 42% (Bolsonaro) | – | 17% | ||
| – | 45% (Gomes) | – | – | – | – | – | 39% (Bolsonaro) | – | 16% | |||||
| – | – | – | 38% (Silva) | – | – | – | 43% (Bolsonaro) | – | 19% | |||||
| – | – | – | – | – | – | 42% (Alckmin) | 39% (Bolsonaro) | – | 20% | |||||
| RealTime Big Data | 28–29 September 2018 | 3,200 | 31% (Haddad) | 40% (Gomes) | – | – | – | – | – | – | – | 29% | ||
| 35% (Haddad) | – | – | 28% (Silva) | – | – | – | – | – | 37% | |||||
| 37% (Haddad) | – | – | – | – | – | 35% (Alckmin) | – | – | 28% | |||||
| 45% (Haddad) | – | – | – | – | – | – | 41% (Bolsonaro) | – | 14% | |||||
| – | 40% (Gomes) | – | 23% (Silva) | – | – | – | – | – | 37% | |||||
| – | 47% (Gomes) | – | – | – | – | – | 39% (Bolsonaro) | – | 14% | |||||
| – | – | – | 28% (Silva) | – | – | 29% (Alckmin) | – | – | 43% | |||||
| – | – | – | 36% (Silva) | – | – | – | 37% (Bolsonaro) | – | 27% | |||||
| – | – | – | – | – | – | 39% (Alckmin) | 40% (Bolsonaro) | – | 21% | |||||
| CNT/MDA | 27–28 September 2018 | 2,000 | 33.9% (Haddad) | 34.0% (Gomes) | – | – | – | – | – | – | – | 32.1% | ||
| 39.8% (Haddad) | – | – | – | – | – | 28.5% (Alckmin) | – | – | 31.7% | |||||
| 42.7% (Haddad) | – | – | – | – | – | – | 37.3% (Bolsonaro) | – | 20.0% | |||||
| – | 41.5% (Gomes) | – | – | – | – | 23.8% (Alckmin) | – | – | 34.7% | |||||
| – | 42.7% (Gomes) | – | – | – | – | – | 35.3% (Bolsonaro) | – | 22.0% | |||||
| – | – | – | – | – | – | 37.0% (Alckmin) | 33.6% (Bolsonaro) | – | 29.4% | |||||
| Datafolha | 26–28 September 2018 | 9,000 | 35% (Haddad) | 41% (Gomes) | – | – | – | – | – | – | – | 24% | ||
| 39% (Haddad) | – | – | – | – | – | 39% (Alckmin) | – | – | 22% | |||||
| 45% (Haddad) | – | – | – | – | – | – | 39% (Bolsonaro) | – | 15% | |||||
| – | 42% (Gomes) | – | – | – | – | 36% (Alckmin) | – | – | 22% | |||||
| – | 48% (Gomes) | – | – | – | – | – | 38% (Bolsonaro) | – | 14% | |||||
| – | – | – | – | – | – | 45% (Alckmin) | 38% (Bolsonaro) | – | 18% | |||||
| Genial Investimentos | 25–26 September 2018 | 1,000 | 44% (Haddad) | – | – | – | – | – | – | 36% (Bolsonaro) | – | 19% | ||
| XP/Ipespe | 24–26 de setembro de 2018 | 2,000 | 35% (Haddad) | – | – | – | – | – | 38% (Alckmin) | – | – | 27% | ||
| 43% (Haddad) | – | – | – | – | – | – | 39% (Bolsonaro) | – | 18% | |||||
| – | 39% (Gomes) | – | – | – | – | 35% (Alckmin) | – | – | 26% | |||||
| – | 43% (Gomes) | – | – | – | – | – | 35% (Bolsonaro) | – | 21% | |||||
| – | – | – | 35% (Silva) | – | – | – | 39% (Bolsonaro) | – | 25% | |||||
| – | – | – | – | – | – | 41% (Alckmin) | 38% (Bolsonaro) | – | 22% | |||||
| Paraná Pesquisas | 23–25 September 2018 | 2,020 | 32.4% (Haddad) | 38.2% (Gomes) | – | – | – | – | – | – | – | 29.5% | ||
| 36.3% (Haddad) | – | – | – | – | – | 35.8% (Alckmin) | – | – | 27.9% | |||||
| 39.4% (Haddad) | – | – | – | – | – | – | 44.3% (Bolsonaro) | – | 16.4% | |||||
| – | 43.2% (Gomes) | – | – | – | – | – | 41.6% (Bolsonaro) | – | 15.2% | |||||
| – | – | – | – | – | – | 38.2% (Alckmin) | 42.1% (Bolsonaro) | – | 19.7% | |||||
| Ibope | 22–24 September 2018 | 2,000 | 42% (Haddad) | – | – | – | – | – | – | 38% (Bolsonaro) | – | 20% | ||
| – | 44% (Gomes) | – | – | – | – | – | 35% (Bolsonaro) | – | 20% | |||||
| – | – | – | 38% (Silva) | – | – | – | 40% (Bolsonaro) | – | 22% | |||||
| – | – | – | – | – | – | 40% (Alckmin) | 36% (Bolsonaro) | – | 23% | |||||
| Sensus | 21–24 September 2018 | 2,000 | 29.8% (Haddad) | 25.6% (Gomes) | – | – | – | – | – | – | – | 44.5% | ||
| 37.3% (Haddad) | – | – | 17.5% (Silva) | – | – | – | – | – | 45.1% | |||||
| 35.1% (Haddad) | – | – | – | – | – | 22.3% (Alckmin) | – | – | 42.5% | |||||
| 36.3% (Haddad) | – | – | – | – | – | – | 37.2% (Bolsonaro) | – | 26.6% | |||||
| – | 33.5% (Gomes) | – | – | – | – | – | 35.1% (Bolsonaro) | – | 31.3% | |||||
| – | – | – | 26.5% (Silva) | – | – | – | 37.4% (Bolsonaro) | – | 36.1% | |||||
| – | – | – | – | – | – | 26.4% (Alckmin) | 38.0% (Bolsonaro) | – | 35.6% | |||||
| Ibope | 22–23 September 2018 | 2,506 | 43% (Haddad) | – | – | – | – | – | – | 37% (Bolsonaro) | – | 19% | ||
| – | 46% (Gomes) | – | – | – | – | – | 35% (Bolsonaro) | – | 19% | |||||
| – | – | – | 39% (Silva) | – | – | – | 39% (Bolsonaro) | – | 23% | |||||
| – | – | – | – | – | – | 41% (Alckmin) | 36% (Bolsonaro) | – | 24% | |||||
| FSB Pesquisa | 22–23 de setembro de 2018 | 2,000 | 40% (Haddad) | – | – | – | – | – | – | 44% (Bolsonaro) | – | 15% | ||
| – | 43% (Gomes) | – | – | – | – | – | 41% (Bolsonaro) | – | 16% | |||||
| – | – | – | 34% (Silva) | – | – | – | 46% (Bolsonaro) | – | 20% | |||||
| – | – | – | – | – | – | 40% (Alckmin) | 41% (Bolsonaro) | – | 18% | |||||
| DataPoder360 | 19–20 September 2018 | 4,000 | 43% (Haddad) | – | – | – | – | – | – | 40% (Bolsonaro) | – | 17% | ||
| – | 42% (Gomes) | – | – | – | – | – | 36% (Bolsonaro) | – | 22% | |||||
| – | – | – | 37% (Silva) | – | – | – | 39% (Bolsonaro) | – | 24% | |||||
| – | – | – | – | – | – | 36% (Alckmin) | 37% (Bolsonaro) | – | 27% | |||||
| Datafolha | 18–19 September 2018 | 8,601 | 31% (Haddad) | 42% (Gomes) | – | – | – | – | – | – | – | 28% | ||
| 37% (Haddad) | – | – | 37% (Silva) | – | – | – | – | – | 26% | |||||
| 35% (Haddad) | – | – | – | – | – | 39% (Alckmin) | – | – | 27% | |||||
| 41% (Haddad) | – | – | – | – | – | – | 41% (Bolsonaro) | – | 17% | |||||
| – | 45% (Gomes) | – | 31% (Silva) | – | – | – | – | – | 24% | |||||
| – | 41% (Gomes) | – | – | – | – | 34% (Alckmin) | – | – | 24% | |||||
| – | 45% (Gomes) | – | – | – | – | – | 39% (Bolsonaro) | – | 16% | |||||
| – | – | – | 36% (Silva) | – | – | 39% (Alckmin) | – | – | 25% | |||||
| – | – | – | 41% (Silva) | – | – | – | 42% (Bolsonaro) | – | 18% | |||||
| – | – | – | – | – | – | 40% (Alckmin) | 39% (Bolsonaro) | – | 21% | |||||
| Genial Investimentos | 17–19 September 2018 | 1,000 | 33% (Haddad) | 32% (Gomes) | – | – | – | – | – | – | – | 35% | ||
| 34% (Haddad) | – | – | – | – | – | 36% (Alckmin) | – | – | 31% | |||||
| 40% (Haddad) | – | – | – | – | – | – | 42% (Bolsonaro) | – | 18% | |||||
| – | 34% (Gomes) | – | – | – | – | 32% (Alckmin) | – | – | 34% | |||||
| – | 38% (Gomes) | – | – | – | – | – | 40% (Bolsonaro) | – | 22% | |||||
| – | – | – | – | – | – | 35% (Alckmin) | 38% (Bolsonaro) | – | 27% | |||||
| XP/Ipespe | 17–19 September 201 | 2,000 | 31% (Haddad) | – | – | – | – | – | 38% (Alckmin) | – | – | 31% | ||
| 38% (Haddad) | – | – | – | – | – | – | 41% (Bolsonaro) | – | 21% | |||||
| – | 37% (Gomes) | – | – | – | – | 35% (Alckmin) | – | – | 29% | |||||
| – | 40% (Gomes) | – | – | – | – | – | 35% (Bolsonaro) | – | 26% | |||||
| – | – | – | 35% (Silva) | – | – | – | 40% (Bolsonaro) | – | 25% | |||||
| – | – | – | – | – | – | 39% (Alckmin) | 39% (Bolsonaro) | – | 22% | |||||
| Ibope | 16–18 September 2018 | 2,506 | 40% (Haddad) | – | – | – | – | – | – | 40% (Bolsonaro) | – | 20% | ||
| – | 40% (Gomes) | – | – | – | – | – | 39% (Bolsonaro) | – | 21% | |||||
| – | – | – | 36% (Silva) | – | – | – | 41% (Bolsonaro) | – | 23% | |||||
| – | – | – | – | – | – | 38% (Alckmin) | 38% (Bolsonaro) | – | 24% | |||||
| FSB Pesquisa | 15–16 September 2018 | 2,000 | 38% (Haddad) | – | – | – | – | – | – | 46% (Bolsonaro) | – | 16% | ||
| – | 42% (Gomes) | – | – | – | – | – | 42% (Bolsonaro) | – | 16% | |||||
| – | – | – | 33% (Silva) | – | – | – | 48% (Bolsonaro) | – | 20% | |||||
| – | – | – | – | – | – | 36% (Alckmin) | 43% (Bolsonaro) | – | 21% | |||||
| CNT/MDA | 12–15 September 2018 | 2,002 | 26.1% (Haddad) | 38.1% (Gomes) | – | – | – | – | – | – | – | 35.8% | ||
| 35.7% (Haddad) | – | – | 23.3% (Silva) | – | – | – | – | – | 41.0% | |||||
| 35.5% (Haddad) | – | – | – | 21.4% (Meirelles) | – | – | – | – | 43.1% | |||||
| 33.1% (Haddad) | – | – | – | – | – | 26.8% (Alckmin) | – | – | 40.1% | |||||
| 35.7% (Haddad) | – | – | – | – | – | – | 39.0% (Bolsonaro) | – | 25.3% | |||||
| – | 43.8% (Gomes) | – | 17.1% (Silva) | – | – | – | – | – | 39.1% | |||||
| – | 43.5% (Gomes) | – | – | 14.8% (Meirelles) | – | – | – | – | 41.7% | |||||
| – | 39.6% (Gomes) | – | – | – | – | 20.3% (Alckmin) | – | – | 40.1% | |||||
| – | 37.8% (Gomes) | – | – | – | – | – | 36.1% (Bolsonaro) | – | 26.1% | |||||
| – | – | – | 27.9% (Silva) | 23.2% (Meirelles) | – | – | – | – | 48.9% | |||||
| – | – | – | 25.3% (Silva) | – | – | style"background:#E3E3FF" | 28.4% (Alckmin) | – | – | 46.3% | ||||
| – | – | – | 28.2% (Silva) | – | – | – | 39.4% (Bolsonaro) | – | 32.4% | |||||
| – | – | – | – | 19.1% (Meirelles) | – | 28.9% (Alckmin) | – | – | 52.0% | |||||
| – | – | – | – | 25.7% (Meirelles) | – | – | 38.6% (Bolsonaro) | – | 35.7% | |||||
| – | – | – | – | – | – | 27.7% (Alckmin) | 38.2% (Bolsonaro) | – | 34.1% | |||||
| Datafolha | 13–14 September 2018 | 2,820 | 27% (Haddad) | 45% (Gomes) | – | – | – | – | – | – | – | 28% | ||
| 34% (Haddad) | – | – | 39% (Silva) | – | – | – | – | – | 27% | |||||
| 32% (Haddad) | – | – | – | – | – | 40% (Alckmin) | – | – | 28% | |||||
| 40% (Haddad) | – | – | – | – | – | – | 41% (Bolsonaro) | – | 19% | |||||
| – | 44% (Gomes) | – | 32% (Silva) | – | – | – | – | – | 24% | |||||
| – | 40% (Gomes) | – | – | – | – | 34% (Alckmin) | – | – | 26% | |||||
| – | 45% (Gomes) | – | – | – | – | – | 38% (Bolsonaro) | – | 17% | |||||
| – | – | – | 36% (Silva) | – | – | 39% (Alckmin) | – | – | 25% | |||||
| – | – | – | 43% (Silva) | – | – | – | 39% (Bolsonaro) | – | 18% | |||||
| – | – | – | – | – | – | 41% (Alckmin) | 37% (Bolsonaro) | – | 21% | |||||
| XP/Ipespe | 10–12 September 2018 | 2,000 | 28% (Haddad) | – | – | – | – | – | 38% (Alckmin) | – | – | 35% | ||
| 38% (Haddad) | – | – | – | – | – | – | 40% (Bolsonaro) | – | 22% | |||||
| – | 35% (Gomes) | – | – | – | – | 35% (Alckmin) | – | – | 31% | |||||
| – | 40% (Gomes) | – | – | – | – | – | 35% (Bolsonaro) | – | 26% | |||||
| – | – | – | 37% (Silva) | – | – | – | 36% (Bolsonaro) | – | 27% | |||||
| – | – | – | – | – | – | 37% (Alckmin) | 36% (Bolsonaro) | – | 26% | |||||
| Vox Populi | 7–11 September 2018 | 2,000 | 32% (Haddad) | – | – | 16% (Silva) | – | – | – | – | – | 51% | ||
| 33% (Haddad) | – | – | – | – | – | 15% (Alckmin) | – | – | 52% | |||||
| 37% (Haddad, supported by Lula) | – | – | – | – | – | 13% (Alckmin) | – | – | 50% | |||||
| 34% (Haddad) | – | – | – | – | – | – | 24% (Bolsonaro) | – | 42% | |||||
| 36% (Haddad, supported by Lula) | – | – | – | – | – | – | 24% (Bolsonaro) | – | 40% | |||||
| – | 33% (Gomes) | – | 15% (Silva) | – | – | – | – | – | 52% | |||||
| – | 34% (Gomes) | – | – | – | – | 11% (Alckmin) | – | – | 55% | |||||
| – | 32% (Gomes) | – | – | – | – | – | 22% (Bolsonaro) | – | 46% | |||||
| – | – | – | 24% (Silva) | – | – | 16% (Alckmin) | – | – | 61% | |||||
| – | – | – | 26% (Silva) | – | – | – | 24% (Bolsonaro) | – | 49% | |||||
| – | – | – | – | – | – | 18% (Alckmin) | 25% (Bolsonaro) | – | 56% | |||||
| Datafolha | 10 September 2018 | 2,804 | 29% (Haddad) | – | – | – | – | – | 43% (Alckmin) | – | – | 28% | ||
| 39% (Haddad) | – | – | – | – | – | – | 38% (Bolsonaro) | – | 23% | |||||
| – | 39% (Gomes) | – | – | – | – | 35% (Alckmin) | – | – | 26% | |||||
| – | 45% (Gomes) | – | – | – | – | – | 35% (Bolsonaro) | – | 20% | |||||
| – | – | – | 38% (Silva) | – | – | 37% (Alckmin) | – | – | 25% | |||||
| – | – | – | 43% (Silva) | – | – | – | 37% (Bolsonaro) | – | 20% | |||||
| – | – | – | – | – | – | 43% (Alckmin) | 34% (Bolsonaro) | – | 23% | |||||
| – | 41% (Gomes) | – | 35% (Silva) | – | – | – | – | – | 24% | |||||
| 31% (Haddad) | – | – | 42% (Silva) | – | – | – | – | – | 28% | |||||
| Ibope | 8-10 September 2018 | 2,002 | 36% (Haddad) | – | – | – | – | – | – | 40% (Bolsonaro) | – | 24% | ||
| – | 40% (Gomes) | – | – | – | – | – | 37% (Bolsonaro) | – | 22% | |||||
| – | – | – | 38% (Silva) | – | – | – | 38% (Bolsonaro) | – | 24% | |||||
| – | – | – | – | – | – | 38% (Alckmin) | 37% (Bolsonaro) | – | 25% | |||||
| RealTime Big Data | 7-9 September 2018 | 3,200 | 33% (Haddad) | – | – | – | – | – | – | 36% (Bolsonaro) | – | |||
| – | 37% (Gomes) | – | – | – | – | – | 34% (Bolsonaro) | – | ||||||
| – | – | – | 46% (Silva) | – | – | – | 34% (Bolsonaro) | – | ||||||
| – | – | – | – | – | – | 38% (Alckmin) | 35% (Bolsonaro) | – | ||||||
| On 6 September 2018, Jair Bolsonaro was stabbed while he was campaigning in Juiz de Fora, Minas Gerais. | ||||||||||||||
| Ibope | 1–3 September 2018 | 2,002 | – | 44% (Gomes) | – | – | – | – | – | 33% (Bolsonaro) | – | 23% | ||
| – | – | – | – | – | – | 41% (Alckmin) | 32% (Bolsonaro) | – | 27% | |||||
| – | – | – | 43% (Silva) | – | – | – | 33% (Bolsonaro) | – | 23% | |||||
| 36% (Haddad) | – | – | – | – | – | – | 37% (Bolsonaro) | – | 27% | |||||
| On 31 August 2018, the Superior Electoral Court votes to officially reject Luiz Inácio Lula da Silva's candidacy. | ||||||||||||||
| XP/Ipespe | 27–29 August 2018 | 1,000 | 24% (Haddad) | – | – | – | – | – | 36% (Alckmin) | – | – | 40% | ||
| 34% (Haddad) | – | – | – | – | – | – | 37% (Bolsonaro) | – | 29% | |||||
| 45% (Lula) | – | – | – | – | – | – | 34% (Bolsonaro) | – | 21% | |||||
| – | 29% (Gomes) | – | – | – | – | 34% (Alckmin) | – | – | 37% | |||||
| – | 34% (Gomes) | – | – | – | – | – | 32% (Bolsonaro) | – | 34% | |||||
| – | – | – | 37% (Silva) | – | – | – | 34% (Bolsonaro) | – | 29% | |||||
| – | – | – | – | – | – | 35% (Alckmin) | 35% (Bolsonaro) | – | 30% | |||||
| XP/Ipespe | 20–22 August 2018 | 1,000 | 25% (Haddad) | – | – | – | – | – | 36% (Alckmin) | – | – | 41% | ||
| 32% (Haddad) | – | – | – | – | – | – | 38% (Bolsonaro) | – | 30% | |||||
| 45% (Lula) | – | – | – | – | – | – | 33% (Bolsonaro) | – | 22% | |||||
| – | 28% (Gomes) | – | – | – | – | 33% (Alckmin) | – | – | 39% | |||||
| – | 32% (Gomes) | – | – | – | – | – | 32% (Bolsonaro) | – | 36% | |||||
| – | – | – | 37% (Silva) | – | – | – | 33% (Bolsonaro) | – | 30% | |||||
| – | – | – | – | – | – | 33% (Alckmin) | 34% (Bolsonaro) | – | 33% | |||||
| Globo/Datafolha | 20–21 August 2018 | 8,433 | 25% (Haddad) | – | – | – | – | – | 36% (Alckmin) | – | – | 41% | ||
| 29% (Haddad) | – | – | – | – | – | – | 38% (Bolsonaro) | – | 33% | |||||
| 51% (Lula) | – | – | 29% (Silva) | – | – | – | – | – | 20% | |||||
| 53% (Lula) | – | – | – | – | – | 29% (Alckmin) | – | – | 18% | |||||
| 52% (Lula) | – | – | – | – | – | – | 32% (Bolsonaro) | – | 16% | |||||
| – | 31% (Gomes) | – | – | – | – | 37% (Alckmin) | – | – | 32% | |||||
| – | 38% (Gomes) | – | – | – | – | – | 35% (Bolsonaro) | – | 27% | |||||
| – | – | – | 41% (Silva) | – | – | 33% (Alckmin) | – | – | 26% | |||||
| – | – | – | 45% (Silva) | – | – | – | 34% (Bolsonaro) | – | 21% | |||||
| – | – | – | – | – | – | 38% (Alckmin) | 33% (Bolsonaro) | – | 29% | |||||
| CNT/MDA | 15–18 August 2018 | 2,002 | 49.4% (Lula) | 18.5% (Gomes) | – | – | – | – | – | – | – | 32.1% | ||
| 49.8% (Lula) | – | – | 18.8% (Silva) | – | – | – | – | – | 31.4% | |||||
| 49.5% (Lula) | – | – | – | – | – | 20.4% (Alckmin) | – | – | 30.1% | |||||
| 50.1% (Lula) | – | – | – | – | – | – | 26.4% (Bolsonaro) | – | 23.5% | |||||
| – | 26.1% (Gomes) | – | 25.2% (Silva) | – | – | – | – | – | 48.7% | |||||
| – | 25.3% (Gomes) | – | – | – | – | 22.0% (Alckmin) | – | – | 52.7% | |||||
| – | 28.2% (Gomes) | – | – | – | – | – | 29.4% (Bolsonaro) | – | 42.4% | |||||
| – | – | – | 26.7% (Silva) | – | – | 23.9% (Alckmin) | – | – | 49.4% | |||||
| – | – | – | 29.1% (Silva) | – | – | – | 29.3% (Bolsonaro) | – | 41.6% | |||||
| – | – | – | – | – | – | 26.4% (Alckmin) | 29.4% (Bolsonaro) | – | 44.2% | |||||
| Ipespe | 13–15 August 2018 | 1,000 | 25% (Haddad) | – | – | – | – | – | 35% (Alckmin) | – | – | 41% | ||
| 32% (Haddad) | – | – | – | – | – | – | 37% (Bolsonaro) | – | 31% | |||||
| 43% (Lula) | – | – | – | – | – | – | 34% (Bolsonaro) | – | 24% | |||||
| – | 27% (Gomes) | – | – | – | – | 32% (Alckmin) | – | – | 42% | |||||
| – | 30% (Gomes) | – | – | – | – | – | 33% (Bolsonaro) | – | 36% | |||||
| – | – | – | 36% (Silva) | – | – | – | 34% (Bolsonaro) | – | 29% | |||||
| – | – | – | – | – | – | 32% (Alckmin) | 34% (Bolsonaro) | – | 29% | |||||
| Ipespe | 6–8 August 2018 | 1,000 | 25% (Haddad) | – | – | – | – | – | 36% (Alckmin) | – | – | 41% | ||
| 29% (Haddad) | – | – | – | – | – | – | 37% (Bolsonaro) | – | 34% | |||||
| 41% (Lula) | – | – | – | – | – | – | 32% (Bolsonaro) | – | 26% | |||||
| – | 28% (Gomes) | – | – | – | – | 33% (Alckmin) | – | – | 40% | |||||
| – | 30% (Gomes) | – | – | – | – | – | 32% (Bolsonaro) | – | 37% | |||||
| – | – | – | 38% (Silva) | – | – | – | 32% (Bolsonaro) | – | 30% | |||||
| – | – | – | – | – | – | 33% (Alckmin) | 33% (Bolsonaro) | – | 33% | |||||
| Ipespe | 30 July–1 August 2018 | 1,000 | 23% (Haddad) | – | – | – | – | – | 34% (Alckmin) | – | – | 43% | ||
| 28% (Haddad) | – | – | – | – | – | – | 37% (Bolsonaro) | – | 35% | |||||
| 41% (Lula) | – | – | – | – | – | – | 33% (Bolsonaro) | – | 26% | |||||
| – | 29% (Gomes) | – | – | – | – | 32% (Alckmin) | – | – | 39% | |||||
| – | 32% (Gomes) | – | – | – | – | – | 33% (Bolsonaro) | – | 35% | |||||
| – | – | – | 37% (Silva) | – | – | – | 32% (Bolsonaro) | – | 31% | |||||
| – | – | – | – | – | – | 33% (Alckmin) | 34% (Bolsonaro) | – | 33% | |||||
| Ipespe | 23–25 July 2018 | 1,000 | 22% (Haddad) | – | – | – | – | – | 36% (Alckmin) | – | – | 43% | ||
| 27% (Haddad) | – | – | – | – | – | – | 38% (Bolsonaro) | – | 36% | |||||
| 40% (Lula) | – | – | – | – | – | – | 34% (Bolsonaro) | – | 26% | |||||
| – | 29% (Gomes) | – | – | – | – | 34% (Alckmin) | – | – | 37% | |||||
| – | 32% (Gomes) | – | – | – | – | – | 34% (Bolsonaro) | – | 34% | |||||
| – | – | – | 36% (Silva) | – | – | – | 34% (Bolsonaro) | – | 30% | |||||
| – | – | – | – | – | – | 34% (Alckmin) | 35% (Bolsonaro) | – | 32% | |||||
| Ideia Big Data | 20–23 July 2018 | 2,036 | 10% (Haddad) | – | – | 32% (Silva) | – | – | – | – | – | 58% | ||
| 16% (Haddad) | – | – | – | – | – | 20% (Alckmin) | – | – | 64% | |||||
| 15% (Haddad) | – | – | – | – | – | – | 31% (Bolsonaro) | – | 54% | |||||
| 31% (Lula) | – | – | 24% (Silva) | – | – | – | – | – | 45% | |||||
| 33% (Lula) | – | – | – | – | – | 18% (Alckmin) | – | – | 49% | |||||
| 37% (Lula) | – | – | – | – | – | – | 30% (Bolsonaro) | – | 33% | |||||
| – | 22% (Gomes) | – | – | – | 16% (Dias) | – | – | – | 61% | |||||
| – | 25% (Gomes) | – | – | – | – | 25% (Alckmin) | – | – | 50% | |||||
| – | 25% (Gomes) | – | – | – | – | – | 27% (Bolsonaro) | – | 48% | |||||
| – | – | – | 33% (Silva) | – | – | 20% (Alckmin) | – | – | 47% | |||||
| – | – | – | 30% (Silva) | – | – | – | 28% (Bolsonaro) | – | 42% | |||||
| – | – | – | – | – | 14% (Dias) | – | 31% (Bolsonaro) | – | 55% | |||||
| – | – | – | – | – | – | 26% (Alckmin) | 25% (Bolsonaro) | – | 49% | |||||
| Vox Populi | 18–20 July 2018 | 2,000 | 50% (Lula) | 11% (Gomes) | – | – | – | – | – | – | – | 40% | ||
| 50% (Lula) | – | – | 12% (Silva) | – | – | – | – | – | 38% | |||||
| 52% (Lula) | – | – | – | – | – | 10% (Alckmin) | – | – | 38% | |||||
| 50% (Lula) | – | – | – | – | – | – | 16% (Bolsonaro) | – | 33% | |||||
| Ipespe | 16–18 July 2018 | 1,000 | 20% (Haddad) | – | – | – | – | – | 29% (Alckmin) | – | – | 42% | ||
| 28% (Haddad) | – | – | – | – | – | – | 38% (Bolsonaro) | – | 35% | |||||
| 41% (Lula) | – | – | – | – | – | – | 34% (Bolsonaro) | – | 25% | |||||
| – | 31% (Gomes) | – | – | – | – | 32% (Alckmin) | – | – | 37% | |||||
| – | 33% (Gomes) | – | – | – | – | – | 34% (Bolsonaro) | – | 33% | |||||
| – | – | – | 37% (Silva) | – | – | – | 34% (Bolsonaro) | – | 29% | |||||
| – | – | – | – | – | – | 33% (Alckmin) | 35% (Bolsonaro) | – | 32% | |||||
| Ipespe | 9–11 July 2018 | 1,000 | 20% (Haddad) | – | – | – | – | – | 30% (Alckmin) | – | – | 44% | ||
| 40% (Lula) | – | – | – | – | – | – | 33% (Bolsonaro) | – | 27% | |||||
| – | 30% (Gomes) | – | – | – | – | 32% (Alckmin) | – | – | 38% | |||||
| – | 31% (Gomes) | – | – | – | – | – | 33% (Bolsonaro) | – | 36% | |||||
| – | – | – | 37% (Silva) | – | – | – | 33% (Bolsonaro) | – | 29% | |||||
| – | – | – | – | – | – | 32% (Alckmin) | 34% (Bolsonaro) | – | 35% | |||||
| Ipespe | 2–4 July 2018 | 1,000 | 20% (Haddad) | – | – | – | – | – | 28% (Alckmin) | – | – | 45% | ||
| 39% (Lula) | – | – | – | – | – | – | 33% (Bolsonaro) | – | 29% | |||||
| – | 31% (Gomes) | – | – | – | – | 33% (Alckmin) | – | – | 37% | |||||
| – | 31% (Gomes) | – | – | – | – | – | 34% (Bolsonaro) | – | 34% | |||||
| – | – | – | 36% (Silva) | – | – | – | 33% (Bolsonaro) | – | 31% | |||||
| – | – | – | – | – | – | 32% (Alckmin) | 34% (Bolsonaro) | – | 35% | |||||
| DataPoder360 | 25–29 June 2018 | 5,500 | 23% (Haddad) | – | – | – | – | – | – | 36% (Bolsonaro) | – | 41% | ||
| – | 26% (Gomes) | – | – | – | – | – | 36% (Bolsonaro) | – | 38% | |||||
| – | – | – | 31% (Silva) | – | – | – | 36% (Bolsonaro) | – | 34% | |||||
| – | – | – | – | – | – | 25% (Alckmin) | 35% (Bolsonaro) | – | 40% | |||||
| Ipespe | 25–27 June 2018 | 1,000 | 19% (Haddad) | – | – | – | – | – | 29% (Alckmin) | – | – | 45% | ||
| 40% (Lula) | – | – | – | – | – | – | 33% (Bolsonaro) | – | 27% | |||||
| – | 32% (Gomes) | – | – | – | – | 32% (Alckmin) | – | – | 35% | |||||
| – | 32% (Gomes) | – | – | – | – | – | 33% (Bolsonaro) | – | 35% | |||||
| – | – | – | 35% (Silva) | – | – | – | 32% (Bolsonaro) | – | 33% | |||||
| – | – | – | – | – | – | 32% (Alckmin) | 33% (Bolsonaro) | – | 36% | |||||
| Ipespe | 18–20 June 2018 | 1,000 | 19% (Haddad) | – | – | – | – | – | 28% (Alckmin) | – | – | 48% | ||
| 41% (Lula) | – | – | – | – | – | – | 33% (Bolsonaro) | – | 26% | |||||
| – | 30% (Gomes) | – | – | – | – | 32% (Alckmin) | – | – | 38% | |||||
| – | 32% (Gomes) | – | – | – | – | – | 33% (Bolsonaro) | – | 35% | |||||
| – | – | – | 36% (Silva) | – | – | – | 32% (Bolsonaro) | – | 31% | |||||
| – | – | – | – | – | – | 31% (Alckmin) | 32% (Bolsonaro) | – | 37% | |||||
| Ipespe | 11–13 June 2018 | 1,000 | 19% (Haddad) | – | – | – | – | – | 29% (Alckmin) | – | – | 48% | ||
| 42% (Lula) | – | – | – | – | – | – | 34% (Bolsonaro) | – | 24% | |||||
| – | 30% (Gomes) | – | – | – | – | 31% (Alckmin) | – | – | 39% | |||||
| – | 33% (Gomes) | – | – | – | – | – | 34% (Bolsonaro) | – | 34% | |||||
| – | – | – | 38% (Silva) | – | – | – | 34% (Bolsonaro) | – | 28% | |||||
| – | – | – | – | – | – | 31% (Alckmin) | 33% (Bolsonaro) | – | 35% | |||||
| Datafolha | 6–7 June 2018 | 2,824 | 19% (Haddad) | 38% (Gomes) | – | – | – | – | – | – | – | 42% | ||
| 20% (Haddad) | – | – | – | – | – | 36% (Alckmin) | – | – | 44% | |||||
| 27% (Haddad) | – | – | – | – | – | – | 36% (Bolsonaro) | – | 37% | |||||
| 46% (Lula) | – | – | 31% (Silva) | – | – | – | – | – | 22% | |||||
| 49% (Lula) | – | – | – | – | – | 27% (Alckmin) | – | – | 23% | |||||
| 49% (Lula) | – | – | – | – | – | – | 32% (Bolsonaro) | – | 18% | |||||
| – | 29% (Gomes) | – | 41% (Silva) | – | – | – | – | – | 30% | |||||
| – | 32% (Gomes) | – | – | – | – | 31% (Alckmin) | – | – | 37% | |||||
| – | 36% (Gomes) | – | – | – | – | – | 34% (Bolsonaro) | – | 31% | |||||
| – | – | – | 42% (Silva) | – | – | 27% (Alckmin) | – | – | 31% | |||||
| – | – | – | 42% (Silva) | – | – | – | 32% (Bolsonaro) | – | 26% | |||||
| – | – | – | – | – | – | 33% (Alckmin) | 33% (Bolsonaro) | – | 35% | |||||
| Ipespe | 4–6 June 2018 | 1,000 | 20% (Haddad) | – | – | – | – | – | 30% (Alckmin) | – | – | 48% | ||
| 40% (Lula) | – | – | – | – | – | – | 35% (Bolsonaro) | – | 26% | |||||
| – | 32% (Gomes) | – | – | – | – | 29% (Alckmin) | – | – | 40% | |||||
| – | 33% (Gomes) | – | – | – | – | – | 35% (Bolsonaro) | – | 31% | |||||
| – | – | – | 36% (Silva) | – | – | – | 35% (Bolsonaro) | – | 29% | |||||
| – | – | – | – | – | – | 29% (Alckmin) | 34% (Bolsonaro) | – | 37% | |||||
| DataPoder360 | 25–31 May 2018 | 10,500 | 20% (Haddad) | – | – | – | – | – | – | 35% (Bolsonaro) | – | 45% | ||
| – | 21% (Gomes) | – | – | – | – | – | 34% (Bolsonaro) | – | 45% | |||||
| – | – | – | 25% (Silva) | – | – | – | 35% (Bolsonaro) | – | 41% | |||||
| – | – | – | – | – | – | 20% (Alckmin) | 31% (Bolsonaro) | – | 48% | |||||
| Ipespe | 21–23 May 2018 | 1,000 | 25% (Haddad) | – | – | – | – | – | 28% (Alckmin) | – | – | 55% | ||
| 36% (Lula) | – | – | – | – | – | – | 38% (Bolsonaro) | – | 26% | |||||
| – | 27% (Gomes) | – | – | – | – | 30% (Alckmin) | – | – | 43% | |||||
| – | 29% (Gomes) | – | – | – | – | – | 38% (Bolsonaro) | – | 32% | |||||
| – | – | – | 31% (Silva) | – | – | – | 37% (Bolsonaro) | – | 32% | |||||
| – | – | – | – | – | – | 28% (Alckmin) | 35% (Bolsonaro) | – | 37% | |||||
| Vox Populi | 19–23 May 2018 | 2,000 | 45% (Lula) | – | – | 14% (Silva) | – | – | – | – | – | 40% | ||
| 47% (Lula) | – | – | – | – | – | 11% (Alckmin) | – | – | 42% | |||||
| 47% (Lula) | – | – | – | – | – | – | 16% (Bolsonaro) | – | 37% | |||||
| Ipespe | 15–18 May 2018 | 1,000 | 15% (Haddad) | – | – | – | – | – | 31% (Alckmin) | – | – | 53% | ||
| 35% (Lula) | – | – | – | – | – | – | 37% (Bolsonaro) | – | 28% | |||||
| – | 27% (Gomes) | – | – | – | – | 32% (Alckmin) | – | – | 41% | |||||
| – | 29% (Gomes) | – | – | – | – | – | 36% (Bolsonaro) | – | 36% | |||||
| – | – | – | 31% (Silva) | – | – | – | 35% (Bolsonaro) | – | 34% | |||||
| – | – | – | – | – | – | 29% (Alckmin) | 33% (Bolsonaro) | – | 38% | |||||
| MDA | 9–12 May 2018 | 2,002 | 10.0% (Haddad) | – | – | – | – | – | 25.0% (Alckmin) | – | – | 65.0% | ||
| 14.0% (Haddad) | – | – | – | – | – | – | 31.5% (Bolsonaro) | – | 54.5% | |||||
| 44.4% (Lula) | – | – | 21.0% (Silva) | – | – | – | – | – | 34.6% | |||||
| 47.1% (Lula) | – | – | – | 13.3% (Meirelles) | – | – | – | – | 39.6% | |||||
| 49.0% (Lula) | – | – | – | 8.3% (Temer) | – | – | – | – | 42.7% | |||||
| 44.9% (Lula) | – | – | – | – | – | 19.6% (Alckmin) | – | – | 35.5% | |||||
| 45.7% (Lula) | – | – | – | – | – | – | 25.9% (Bolsonaro) | – | 28.4% | |||||
| – | 25.7% (Gomes) | – | – | 9.0% (Meirelles) | – | – | – | – | 65.3% | |||||
| – | 30.4% (Gomes) | – | – | 5.6% (Temer) | – | – | – | – | 64.0% | |||||
| – | 20.9% (Gomes) | – | – | – | – | 20.4% (Alckmin) | – | – | 58.7% | |||||
| – | 24.2% (Gomes) | – | – | – | – | – | 28.2% (Bolsonaro) | – | 47.6% | |||||
| – | – | – | 26.6% (Silva) | – | – | 18.9% (Alckmin) | – | – | 54.5% | |||||
| – | – | – | 27.2% (Silva) | – | – | – | 27.2% (Bolsonaro) | – | 45.6% | |||||
| – | – | – | – | 11.7% (Meirelles) | – | – | 30.8% (Bolsonaro) | – | 57.5% | |||||
| – | – | – | – | 5.3% (Temer) | – | – | 34.7% (Bolsonaro) | – | 60.0% | |||||
| – | – | – | – | – | 20.2% (Alckmin) | 27.8% (Bolsonaro) | – | 52.0% | ||||||
| DataPoder360 | 16–19 April 2018 | 2,000 | – | – | 37% (Barbosa) | – | – | – | – | 32% (Bolsonaro) | – | 31% | ||
| – | – | – | – | – | – | 18% (Alckmin) | 41% (Bolsonaro) | – | 41% | |||||
| Vox Populi | 13–15 April 2018 | 2,000 | 54% (Lula) | – | 20% (Barbosa) | – | – | – | – | – | – | 26% | ||
| 54% (Lula) | – | – | 16% (Silva) | – | – | – | – | – | 30% | |||||
| 56% (Lula) | – | – | – | – | – | 12% (Alckmin) | – | – | 32% | |||||
| 55% (Lula) | – | – | – | – | – | – | 17% (Bolsonaro) | – | 28% | |||||
| Datafolha | 9–13 April 2018 | 4,260 | 21% (Haddad) | – | – | – | – | – | 37% (Alckmin) | – | – | 41% | ||
| 26% (Haddad) | – | – | – | – | – | – | 37% (Bolsonaro) | – | 37% | |||||
| 46% (Lula) | – | – | 32% (Silva) | – | – | – | – | – | 21% | |||||
| 48% (Lula) | – | – | – | – | – | 27% (Alckmin) | – | – | 24% | |||||
| 48% (Lula) | – | – | – | – | – | – | 31% (Bolsonaro) | – | 20% | |||||
| 17% (Wagner) | – | – | – | – | – | 41% (Alckmin) | – | – | 43% | |||||
| 23% (Wagner) | – | – | – | – | – | – | 39% (Bolsonaro) | – | 38% | |||||
| – | 32% (Gomes) | – | – | – | – | 32% (Alckmin) | – | – | 36% | |||||
| – | 35% (Gomes) | – | – | – | – | – | 35% (Bolsonaro) | – | 31% | |||||
| – | – | – | 44% (Silva) | – | – | 27% (Alckmin) | – | – | 29% | |||||
| – | – | – | 44% (Silva) | – | – | – | 31% (Bolsonaro) | – | 25% | |||||
| – | – | – | – | – | – | 33% (Alckmin) | 32% (Bolsonaro) | – | 34% | |||||
| After Luiz Inácio Lula da Silva is sentenced to 12 years in prison by the Regional Federal Court of the 4th Region, the Supreme Federal Court rules to reject Lula's plea and an arrest warrant is given. The ruling of the TRF-4 bars Lula from running in the election | ||||||||||||||
| MDA | 28 February–3 March 2018 | 2,002 | 43.8% (Lula) | – | – | 20.3% (Silva) | – | – | – | – | – | 35.9% | ||
| 47.5% (Lula) | – | – | – | 6.8% (Temer) | – | – | – | – | 45.7% | |||||
| 44.5% (Lula) | – | – | – | – | – | 22.5% (Alckmin) | – | – | 33.0% | |||||
| 44.1% (Lula) | – | – | – | – | – | – | 25.8% (Bolsonaro) | – | 30.1% | |||||
| – | – | – | 36.8% (Silva) | 5.3% (Temer) | – | – | – | – | 57.9% | |||||
| – | – | – | 26.3% (Silva) | – | – | 24.6% (Alckmin) | – | – | 49.1% | |||||
| – | – | – | 26.6% (Silva) | – | – | – | 27.7% (Bolsonaro) | – | 45.7% | |||||
| – | – | – | – | 3.8% (Temer) | – | 36.6% (Alckmin) | – | – | 59.6% | |||||
| – | – | – | – | 5.7% (Temer) | – | – | 36.0% (Bolsonaro) | – | 58.3% | |||||
| – | – | – | – | – | – | 24.3% (Alckmin) | 26.7% (Bolsonaro) | – | 49.0% | |||||
| -- There are 5 more scenarios with minor candidates --> | 2–7 February 2018 | 2,000 | 8.8% (Haddad) | – | 28.3% (Barbosa) | – | – | – | – | – | – | 63.0% | |
| 11.7% (Haddad) | – | – | – | 11.5% (Meirelles) | – | – | – | – | 76.9% | |||||
| 8.8% (Wagner) | – | – | 30.5% (Silva) | – | – | – | – | – | 60.8% | |||||
| 9.1% (Wagner) | – | – | – | – | 17.3% (Dias) | – | – | – | 73.6% | |||||
| 10.9% (Wagner) | – | – | – | – | – | 23.8% (Alckmin) | – | – | 65.4% | |||||
| – | 25.6% (Gomes) | – | – | 8.4% (Meirelles) | – | – | – | – | 66.1% | |||||
| – | 25.5% (Gomes) | – | – | – | – | 6.9% (Virgílio) | – | – | 67.6% | |||||
| – | 22.0% (Gomes) | – | – | – | – | 17.9% (Alckmin) | – | – | 60.2% | |||||
| – | 23.2% (Gomes) | – | – | – | – | – | 25.8% (Bolsonaro) | – | 51.1% | |||||
| – | – | – | 27.8% (Silva) | – | – | 17.6% (Alckmin) | – | – | 54.7% | |||||
| – | – | – | 31.2% (Silva) | – | – | 6.8% (Virgílio) | – | – | 62.1% | |||||
| – | – | – | 25.9% (Silva) | – | – | – | 25.6% (Bolsonaro) | – | 48.6% | |||||
| – | – | – | – | – | – | 17.6% (Alckmin) | 25.3% (Bolsonaro) | – | 57.2% | |||||
| Datafolha | 29–30 January 2018 | 2,826 | 47% (Lula) | – | – | 32% (Silva) | – | – | – | – | – | 21% | ||
| 49% (Lula) | – | – | – | – | – | 30% (Alckmin) | – | – | 22% | |||||
| 49% (Lula) | – | – | – | – | – | – | 32% (Bolsonaro) | – | 20% | |||||
| – | 32% (Gomes) | – | – | – | – | 34% (Alckmin) | – | – | 34% | |||||
| – | – | – | 42% (Silva) | – | – | – | 32% (Bolsonaro) | – | 27% | |||||
| – | – | – | – | – | – | 35% (Alckmin) | 33% (Bolsonaro) | – | 32% | |||||
| Vox Populi | 9–12 December 2017 | 2,000 | 50% (Lula) | – | – | 13% (Silva) | – | – | – | – | – | 37% | ||
| 50% (Lula) | – | – | – | – | – | 14% (Alckmin) | – | – | 35% | |||||
| 49% (Lula) | – | – | – | – | – | – | 18% (Bolsonaro) | – | 33% | |||||
| DataPoder360 | 8–11 December 2017 | 2,210 | 41% (Lula) | – | – | – | – | – | 28% (Alckmin) | – | – | 31% | ||
| 41% (Lula) | – | – | – | – | – | – | 30% (Bolsonaro) | – | 29% | |||||
| Datafolha | 29–30 November 2017 | 2,765 | 48% (Lula) | – | – | 35% (Silva) | – | – | – | – | – | 17% | ||
| 52% (Lula) | – | – | – | – | – | 30% (Alckmin) | – | – | 18% | |||||
| 51% (Lula) | – | – | – | – | – | – | 33% (Bolsonaro) | – | 16% | |||||
| – | 33% (Gomes) | – | – | – | – | 35% (Alckmin) | – | – | 32% | |||||
| – | – | – | 46% (Silva) | – | – | – | 32% (Bolsonaro) | – | 22% | |||||
| Vox Populi | 27–30 October 2017 | 2,000 | 48% (Lula) | – | – | 16% (Silva) | – | – | – | – | – | 35% | ||
| 50% (Lula) | – | – | – | – | – | 14% (Alckmin) | – | – | 36% | |||||
| 51% (Lula) | – | – | – | – | – | 14% (Doria) | – | – | 35% | |||||
| 49% (Lula) | – | – | – | – | – | – | 21% (Bolsonaro) | – | 31% | |||||
| 50% (Lula) | – | – | – | – | – | – | – | 14% (Huck) | 36% | |||||
| Datafolha | 27–28 September 2017 | 17% (Haddad) | – | – | – | – | – | 44% (Alckmin) | – | – | 39% | |||
| 44% (Lula) | – | – | 36% (Silva) | – | – | – | – | – | 20% | |||||
| 46% (Lula) | – | – | – | – | – | 32% (Alckmin) | – | – | 21% | |||||
| 48% (Lula) | – | – | – | – | – | 32% (Doria) | – | – | 20% | |||||
| 47% (Lula) | – | – | – | – | – | – | 33% (Bolsonaro) | – | 21% | |||||
| 44% (Lula) | – | – | – | – | – | – | – | 42% (Moro) | 14% | |||||
| – | 29% (Gomes) | – | – | – | – | 37% (Alckmin) | – | – | 33% | |||||
| – | 32% (Gomes) | – | – | – | – | 34% (Doria) | – | – | 35% | |||||
| – | – | – | 47% (Silva) | – | – | – | 29% (Bolsonaro) | – | 24% | |||||
| MDA | 13–16 September 2017 | 2,002 | 39.8% (Lula) | – | – | 25.8% (Silva) | – | – | – | – | – | 34.4% | ||
| 40.6% (Lula) | – | – | – | – | – | 23.2% (Alckmin) | – | – | 36.2% | |||||
| 41.6% (Lula) | – | – | – | – | – | 25.2% (Doria) | – | – | 33.2% | |||||
| 41.8% (Lula) | – | – | – | – | – | 14.8% (Neves) | – | – | 43.4% | |||||
| 40.5% (Lula) | – | – | – | – | – | – | 28.5% (Bolsonaro) | – | 31.0% | |||||
| – | – | – | 28.4% (Silva) | – | – | 23.6% (Alckmin) | – | – | 48.0% | |||||
| – | – | – | 30.5% (Silva) | – | – | 22.7% (Doria) | – | – | 46.8% | |||||
| – | – | – | 33.6% (Silva) | – | – | 13.0% (Neves) | – | – | 53.4% | |||||
| – | – | – | 29.2% (Silva) | – | – | – | 27.9% (Bolsonaro) | – | 42.9% | |||||
| – | – | – | – | – | – | 23.8% (Alckmin) | 28.0% (Bolsonaro) | – | 48.2% | |||||
| – | – | – | – | – | – | 23.9% (Doria) | 28.5% (Bolsonaro) | – | 47.6% | |||||
| – | – | – | – | – | – | 13.9% (Neves) | 32.0% (Bolsonaro) | – | 54.1% | |||||
| Vox Populi | 29–31 July 2017 | 1,999 | 52% (Lula) | – | – | 15% (Silva) | – | – | – | – | – | 33% | ||
| 52% (Lula) | – | – | – | – | – | 15% (Alckmin) | – | – | 34% | |||||
| 53% (Lula) | – | – | – | – | – | 15% (Doria) | – | – | 33% | |||||
| 53% (Lula) | – | – | – | – | – | – | 17% (Bolsonaro) | – | 30% | |||||
| Paraná Pesquisas | 24–27 July 2017 | 2,020 | 36.3% (Lula) | – | – | 29.0% (Silva) | – | – | – | – | – | 34.7% | ||
| 39.0% (Lula) | – | – | – | – | – | 26.9% (Alckmin) | – | – | 34.1% | |||||
| 38.5% (Lula) | – | – | – | – | – | 32.2% (Doria) | – | – | 29.3% | |||||
| 38.7% (Lula) | – | – | – | – | – | – | 32.3% (Bolsonaro) | – | 29.1% | |||||
| 37.1% (Lula) | – | 31.1% (Barbosa) | – | – | – | – | – | – | 31.8% | |||||
| Datafolha | 21–23 June 2017 | 2,771 | 40% (Lula) | – | – | 40% (Silva) | – | – | – | – | – | 20% | ||
| 45% (Lula) | – | – | – | – | – | 32% (Alckmin) | – | – | 24% | |||||
| 45% (Lula) | – | – | – | – | – | 34% (Doria) | – | – | 20% | |||||
| 45% (Lula) | – | – | – | – | – | – | 32% (Bolsonaro) | – | 22% | |||||
| 42% (Lula) | – | – | – | – | – | – | – | 44% (Moro) | 14% | |||||
| – | 31% (Gomes) | – | – | – | – | 34% (Alckmin) | – | – | 36% | |||||
| – | 34% (Gomes) | – | – | – | – | 32% (Doria) | – | – | 34% | |||||
| – | – | – | 49% (Silva) | – | – | – | 27% (Bolsonaro) | – | 25% | |||||
| Vox Populi | 2–4 June 2017 | 2,000 | 50% (Lula) | – | – | 15% (Silva) | – | – | – | – | – | 36% | ||
| 52% (Lula) | – | – | – | – | – | 11% (Alckmin) | – | – | 37% | |||||
| 51% (Lula) | – | – | – | – | – | 13% (Doria) | – | – | 36% | |||||
| 53% (Lula) | – | – | – | – | – | 5% (Neves) | – | – | 43% | |||||
| Datafolha | 26–27 April 2017 | 2,781 | 38% (Lula) | – | – | 41% (Silva) | – | – | – | – | – | 31% | ||
| 43% (Lula) | – | – | – | – | – | 29% (Alckmin) | – | – | 28% | |||||
| 43% (Lula) | – | – | – | – | – | 32% (Doria) | – | – | 25% | |||||
| 43% (Lula) | – | – | – | – | – | 27% (Neves) | – | – | 30% | |||||
| 43% (Lula) | – | – | – | – | – | – | 31% (Bolsonaro) | – | 26% | |||||
| 40% (Lula) | – | – | – | – | – | – | – | 42% (Moro) | 18% | |||||
| – | 24% (Gomes) | – | 50% (Silva) | – | – | – | – | – | 26% | |||||
| – | 34% (Gomes) | – | – | – | – | 28% (Alckmin) | – | – | 37% | |||||
| – | 36% (Gomes) | – | – | – | – | 29% (Doria) | – | – | 35% | |||||
| – | 36% (Gomes) | – | – | – | – | 26% (Neves) | – | – | 38% | |||||
| – | – | – | 50% (Silva) | – | – | 22% (Alckmin) | – | – | 28% | |||||
| – | – | – | 50% (Silva) | – | – | 24% (Doria) | – | – | 26% | |||||
| – | – | – | 49% (Silva) | – | – | 21% (Neves) | – | – | 29% | |||||
| Vox Populi | 6–10 April 2017 | 2,000 | 49% (Lula) | – | – | 19% (Silva) | – | – | – | – | – | 32% | ||
| 51% (Lula) | – | – | – | – | – | 17% (Alckmin) | – | – | 32% | |||||
| 53% (Lula) | – | – | – | – | – | 16% (Doria) | – | – | 31% | |||||
| 50% (Lula) | – | – | – | – | – | 17% (Neves) | – | – | 33% | |||||
| MDA | 8–11 February 2017 | 2,002 | 38.9% (Lula) | – | – | 27.4% (Silva) | – | – | – | – | – | 28% | ||
| 42.9% (Lula) | – | – | – | 19.0% (Temer) | – | – | – | – | 38.1% | |||||
| 39.7% (Lula) | – | – | – | – | – | 26.5% (Neves) | – | – | 33.8% | |||||
| – | – | – | 34.4% (Silva) | 16.8% (Temer) | – | – | – | – | 48.8% | |||||
| – | – | – | 28.3% (Silva) | – | – | 28.6% (Neves) | – | – | 43.1% | |||||
| – | – | – | – | 13.1% (Temer) | – | 34.1% (Neves) | – | – | 52.8% | |||||
| Vox Populi | 10–14 December 2016 | 2,500 | 42% (Lula) | – | – | 21% (Silva) | – | – | – | – | – | 37% | ||
| 45% (Lula) | – | – | – | – | – | 20% (Alckmin) | – | – | 35% | |||||
| 43% (Lula) | – | – | – | – | – | 20% (Neves) | – | – | 37% | |||||
| Datafolha | 7–8 December 2016 | 2,828 | 34% (Lula) | – | – | 43% (Silva) | – | – | – | – | – | 23% | ||
| 38% (Lula) | – | – | – | – | – | 34% (Alckmin) | – | – | 28% | |||||
| 38% (Lula) | – | – | – | – | – | 34% (Neves) | – | – | 28% | |||||
| 37% (Lula) | – | – | – | – | – | 35% (Serra) | – | – | 27% | |||||
| – | – | – | 48% (Silva) | – | – | 25% (Alckmin) | – | – | 27% | |||||
| – | – | – | 47% (Silva) | – | – | 25% (Neves) | – | – | 28% | |||||
| – | – | – | 47% (Silva) | – | – | 27% (Serra) | – | – | 26% | |||||
| MDA | 13–16 October 2016 | 2,002 | 33.2% (Lula) | – | – | 35.8% (Silva) | – | – | – | – | – | 31.0% | ||
| 37.3% (Lula) | – | – | – | 28.5% (Temer) | – | – | – | – | 34.2% | |||||
| 33.8% (Lula) | – | – | – | – | – | 37.1% (Neves) | – | – | 29.1% | |||||
| – | – | – | 38.1% (Silva) | 23.7% (Temer) | – | – | – | – | 38.2% | |||||
| – | – | – | 29.5% (Silva) | – | – | 35.4% (Neves) | – | – | 35.1% | |||||
| – | – | – | – | 16.4% (Temer) | – | 38.2% (Neves) | – | – | 45.4% | |||||
| Datafolha | 14–15 July 2016 | 2,792 | 32% (Lula) | – | – | 44% (Silva) | – | – | – | – | – | 24% | ||
| 36% (Lula) | – | – | – | – | – | 38% (Alckmin) | – | – | 26% | |||||
| 36% (Lula) | – | – | – | – | – | 38% (Neves) | – | – | 26% | |||||
| 35% (Lula) | – | – | – | – | – | 40% (Serra) | – | – | 26% | |||||
| – | – | – | 47% (Silva) | – | – | 27% (Alckmin) | – | – | 25% | |||||
| – | – | – | 46% (Silva) | – | – | 28% (Neves) | – | – | 26% | |||||
| – | – | – | 46% (Silva) | – | – | 30% (Serra) | – | – | 25% | |||||
| MDA | 2–5 June 2016 | 2,002 | 28.9% (Lula) | – | – | 35% (Silva) | – | – | – | – | – | 36.1% | ||
| 31.7% (Lula) | – | – | – | 27.3% (Temer) | – | – | – | – | 41% | |||||
| 29.9% (Lula) | – | – | – | – | – | 34.3% (Neves) | – | – | 35.8% | |||||
| – | – | – | 33.7% (Silva) | 20.9% (Temer) | – | – | – | – | 45.4% | |||||
| – | – | – | 28% (Silva) | – | – | 29.7% (Neves) | – | – | 42.3% | |||||
| – | – | – | – | 15.8% (Temer) | – | 32.3% (Neves) | – | – | 51.9% | |||||
| Paraná Pesquisas | 28 February–2 March 2016 | 2,022 | 22.6% (Lula) | – | – | – | – | – | 53.5% (Neves) | – | – | 24.0% | ||
| – | – | – | 36.1% (Silva) | – | – | 41.7% (Neves) | – | – | 22.2% | |||||
| MDA | 18–21 February 2016 | 2,002 | 28.2% (Lula) | 29.1% (Gomes) | – | – | – | – | – | – | – | 42.7% | ||
| 26.3% (Lula) | – | – | 36.6% (Silva) | – | – | – | – | – | 37.1% | |||||
| 27.5% (Lula) | – | – | – | – | – | 40.6% (Neves) | – | – | 31.9% | |||||
| – | 16.7% (Gomes) | – | – | – | 43.1% (Neves) | – | – | 40.2% | ||||||
| – | – | – | 26.6% (Silva) | – | – | 38.4% (Neves) | – | – | 35.0% | |||||
| – | 24.0% (Gomes) | – | 33.0% (Silva) | – | – | – | – | – | 43.0% | |||||
| Datafolha | 25–26 November 2015 | 3,541 | 31% (Lula) | – | – | 52% (Silva) | – | – | – | – | – | 16% | ||
| 34% (Lula) | – | – | – | – | – | 45% (Alckmin) | – | – | 21% | |||||
| 32% (Lula) | – | – | – | – | – | 51% (Neves) | – | – | 17% | |||||
| – | – | – | 49% (Silva) | – | – | 33% (Alckmin) | – | – | 18% | |||||
| – | – | – | 41% (Silva) | – | – | 42% (Neves) | – | – | 16% | |||||
| Paraná Pesquisas | October 2015 | – | 24.3% (Lula) | – | – | – | – | – | 56.7% (Neves) | – | – | 19.0% | ||
| – | – | – | 34.1% (Silva) | – | – | 47.7% (Neves) | – | – | 18.2% | |||||
| MDA | 20–24 October 2015 | 2,002 | 30.2% (Lula) | – | – | – | – | – | 36.4% (Alckmin) | – | – | 33.4% | ||
| 28.3% (Lula) | – | – | – | – | – | 45.9% (Neves) | – | – | 25.8% | |||||
| 30.9% (Lula) | – | – | – | – | – | 35.2% (Serra) | – | – | 33.9% | |||||
| – | – | – | 39.7% (Silva) | – | – | 25.9% (Alckmin) | – | – | 34.4% | |||||
| – | – | – | 32.9% (Silva) | – | – | 37.7% (Neves) | – | – | 29.4% | |||||
| – | – | – | 39.6% (Silva) | – | – | 26.8% (Serra) | – | – | 33.6% | |||||
| Paraná Pesquisas | August 2015 | – | 28.3% (Lula) | – | – | – | – | – | 54.7% (Neves) | – | – | 17.0% | ||
| – | – | – | 35.2% (Silva) | – | – | 49.2% (Neves) | – | – | 15.7% | |||||
| IBOPE | 15–19 August 2015 | 2,002 | 37% (Lula) | – | – | – | – | – | 41% (Alckmin) | – | – | 23% | ||
| 31% (Lula) | – | – | – | – | – | 50% (Neves) | – | – | 19% | |||||
| 36% (Lula) | – | – | – | – | – | 43% (Serra) | – | – | 21% | |||||
| MDA | 12–16 July 2015 | 2,002 | 32.3% (Lula) | – | – | – | – | – | 39.9% (Alckmin) | – | – | 27.8% | ||
| 28.5% (Lula) | – | – | – | – | – | 49.6% (Neves) | – | – | 21.9% | |||||
| 31.8% (Lula) | – | – | – | – | – | 40.3% (Serra) | – | – | 27.9% | |||||
| IBOPE | 13–17 June 2015 | 2,002 | 39% (Lula) | – | – | – | – | – | 40% (Alckmin) | – | – | 21% | ||
| 33% (Lula) | – | – | – | – | – | 48% (Neves) | – | – | 18% | |||||
| Paraná Pesquisas | 26–31 March 2015 | 2,022 | 27.2% (Lula) | – | – | – | – | – | 51.5% (Neves) | – | – | 21.4% | ||
| 19.4% (Rousseff) | – | – | – | – | – | 57.2% (Neves) | – | – | 23.4% | |||||
| 2014 election | 26 October 2014 | 112,683,879 | 51.6% (Rousseff) | – | – | – | – | – | 48.4% (Neves) | – | – | 21.1% | ||