| Ongoing: | no |
| Election Name: | 2018 Colombian parliamentary election |
| Country: | Colombia |
| Previous Election: | 2014 |
| Next Election: | 2022 |
| Election Date: | 11 March 2018 |
| Noleader: | yes |
| Party1: | Democratic Center (Colombia) |
| Leader1: | Álvaro Uribe |
| Percentage1: | 16.39 |
| Seats1: | 19 |
| Last Election1: | 20 |
| Party2: | Radical Change |
| Leader2: | Arturo Char Chaljub |
| Percentage2: | 14.03 |
| Seats2: | 16 |
| Last Election2: | 9 |
| Party3: | Colombian Conservative Party |
| Percentage3: | 12.65 |
| Seats3: | 14 |
| Last Election3: | 18 |
| Party4: | Colombian Liberal Party |
| Percentage4: | 12.36 |
| Seats4: | 14 |
| Last Election4: | 17 |
| Party5: | Social Party of National Unity |
| Leader5: | Roy Barreras |
| Percentage5: | 12.08 |
| Seats5: | 14 |
| Last Election5: | 21 |
| Party6: | Green Alliance (Colombia) |
| Leader6: | Antanas Mockus |
| Percentage6: | 8.57 |
| Seats6: | 9 |
| Last Election6: | 5 |
| Party7: | Alternative Democratic Pole |
| Leader7: | Jorge Enrique Robledo |
| Percentage7: | 4.74 |
| Seats7: | 5 |
| Last Election7: | 5 |
| Colour8: |
|
| Leader8: | Gustavo Bolívar |
| Percentage8: | 3.40 |
| Seats8: | 3 |
| Last Election8: | 0 |
| Party9: | Independent Movement of Absolute Renovation |
| Leader9: | Ana Agudelo |
| Percentage9: | 3.25 |
| Seats9: | 3 |
| Last Election9: | 0 |
| Party10: | Fair and Free Colombia |
| Percentage10: | 3.04 |
| Seats10: | 3 |
| Last Election10: | New |
| Party11: | FARC |
| Percentage11: | 0.36 |
| Seats11: | 5 |
| Last Election11: | New |
| Party12: | Indigenous and Social Alternative Movement |
| Seats12: | 1 |
| Last Election12: | 1 |
| Party13: | AICO |
| Seats13: | 1 |
| Last Election13: | 0 |
| Heading14: | Chamber of Representatives |
| Party14: | Colombian Liberal Party |
| Percentage14: | 16.53 |
| Seats14: | 35 |
| Last Election14: | 39 |
| Party15: | Democratic Center (Colombia) |
| Percentage15: | 16.08 |
| Seats15: | 32 |
| Last Election15: | 19 |
| Party16: | Radical Change |
| Percentage16: | 14.47 |
| Seats16: | 30 |
| Last Election16: | 16 |
| Party17: | Social Party of National Unity |
| Percentage17: | 12.33 |
| Seats17: | 25 |
| Last Election17: | 37 |
| Party18: | Colombian Conservative Party |
| Percentage18: | 12.18 |
| Seats18: | 21 |
| Last Election18: | 27 |
| Party19: | Green Alliance (Colombia) |
| Percentage19: | 5.95 |
| Seats19: | 9 |
| Last Election19: | 6 |
| Party20: | Independent Movement of Absolute Renovation |
| Percentage20: | 3.90 |
| Seats20: | 1 |
| Last Election20: | 3 |
| Party21: | Alternative Democratic Pole |
| Percentage21: | 2.96 |
| Seats21: | 2 |
| Last Election21: | 3 |
| Party22: | Citizen Option |
| Percentage22: | 2.08 |
| Seats22: | 2 |
| Last Election22: | 6 |
| Colour23: |
|
| Percentage23: | 1.76 |
| Seats23: | 2 |
| Last Election23: | 0 |
| Party24: | Fair and Free Colombia |
| Percentage24: | 1.29 |
| Seats24: | 1 |
| Last Election24: | New |
| Party25: | AV–PDA–ASI |
| Percentage25: | 0.48 |
| Seats25: | 1 |
| Last Election25: | New |
| Party26: | Indigenous and Social Alternative Movement |
| Percentage26: | 0.30 |
| Seats26: | 2 |
| Last Election26: | 0 |
| Party27: | FARC |
| Percentage27: | 0.23 |
| Seats27: | 5 |
| Last Election27: | New |
| Party28: | CCADCNPR |
| Colour28: |
|
| Seats28: | 1 |
| Last Election28: | New |
| Party29: | CCLM |
| Colour29: |
|
| Seats29: | 1 |
| Last Election29: | New |
| Map: | 2018 Colombian parliamentary election - Results.svg |
Parliamentary elections were held in Colombia on 11 March 2018 to elect 102 members of the Senate and 165 members of the House of Representatives.
The Chamber of Representatives consisted of 172 members; 162 were elected by proportional representation from 33 multi-member constituencies based on the departments, with seats allocated using the largest remainder method.[1] Two members were elected by the Afro-Colombian community and one by the indigenous community.[2] Although a new constituency had been created for the Raizal minority, legislation had not been approved to allow the election to take place. A further five seats were reserved for FARC and one for the running mate of the runner-up in the presidential election as part of the Colombian peace process.[3] [4]
The Senate consisted of 108 members; 100 were elected a single nationwide constituency by proportional representation (with seats allocated using the largest remainder); two were elected from a two-seat constituency for indigenous Colombians;[5] five were reserved for FARC and one for the runner-up in the presidential election.
| Polling organisation/client | Sample size | Party | None | Blank vote | Don't know/ No response | Margin of error | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| width=40 | U | width=40 | CD | width=40 | PCC | width=40 | PLC | width=40 | CR | width=40 | PV | width=40 | PDA | width=40 | OC | width=40 | MIRA | width=40 | Prog | width=40 | FARC | width=40 | UP | Others |
| 2014 Senate election results | 19.11% | 17.52% | 16.66% | 14.98% | 8.54% | 4.84% | 4.64% | 4.52% | 2.80% | — | — | — | — | |||||||||||
| 23–26 Nov 2017 | Cifras y Conceptos/ Red+ Noticias & Caracol Radio | 1795 | 6% | 14% | 5% | 12% | 9% | 5% | 3% | 2% | 5% | 1% | 1% | 0% | 3% | 25% | 1% | 6% | 4.5% | |||||
| 11–14 Dec 2017 | Guarumo & EcoAnalítica/ El Tiempo &<br />W Radio | 2352 | 4.8% | 14.2% | 3.9% | 9.5% | 4.0% | 7.0% | 3.3% | 0.8% | 2.0% | — | 1.0% | — | 2.6% | — | 27.3% | 19.6% | 4% | |||||
| 24–28 Jan 2018 | Cifras y Conceptos/ Red+ Noticias & Caracol Radio | 2813 | 5% | 15% | 6% | 14% | 10% | 5% | 2% | 1% | 2% | 1% | 1% | 1% | 3% | 24% | 2% | 8% | 4.6% | |||||
| 24–28 Jan 2018 | YanHaas/RCN Televisión, RCN Radio, La F.M. Radio & various newspapers | 1251 | 7% | 11% | 8% | 15% | 7% | 6% | 6% | 2% | — | — | 1% | — | — | 19% | 18% | — | 2.2% | |||||
| 27–31 Jan 2018 | Guarumo & EcoAnalítica/ El Tiempo &<br />W Radio | 2187 | 5.2% | 15.6% | 3.5% | 8.5% | 6.0% | 8.7% | 5.3% | 1.3% | 1.8% | — | 1.2% | — | 3.6% | — | 23.4% | 15.9% | 4% | |||||
| 23–26 Feb 2018 | Cifras y Conceptos/ Red+ Noticias & Caracol Radio | 2960 | 5% | 17% | 6% | 12% | 10% | 4% | 5% | 3% | 3% | — | 0% | — | 35% | — | — | — | 4.5% | |||||
| Guarumo & EcoAnalítica/ El Tiempo &<br />W Radio | 3425 | 4.8% | 20.1% | 5.0% | 9.9% | 8.1% | 6.1% | 4.0% | 1.8% | 1.5% | — | 0.6% | — | 7.3% | — | 16.1% | 14.7% | 2.7% | ||||||