| Election Name: | 2018 Democratic Party of Korea leadership election |
| Country: | South Korea |
| Type: | presidential |
| Vote Type: | Caucus |
| Ongoing: | no |
| Previous Election: | 2016 Democratic Party of Korea leadership election |
| Previous Year: | 2016 |
| Next Election: | 2020 Democratic Party of Korea leadership election |
| Next Year: | 2020 |
| Election Date: | 25 August 2018 |
| 1Blank: | Delegates |
| 2Blank: | Party members |
| 3Blank: | Opinion poll |
| 4Blank: | Non-voting members poll |
| 5Blank: | Total |
| Image1: | File:191028더불어민주당예산정책협의회(3).jpg |
| Candidate1: | Lee Hae-chan |
| Color1: | 0052A7 |
| 1Data1: | 40.57% |
| 2Data1: | 45.79% |
| 3Data1: | 44.03% |
| 4Data1: | 38.20% |
| 5Data1: | 42.88% |
| Candidate2: | Song Young-gil |
| Color2: | 0052A7 |
| 1Data2: | 31.96% |
| 2Data2: | 28.67% |
| 3Data2: | 30.61% |
| 4Data2: | 36.30% |
| 5Data2: | 30.73% |
| Image3: | File:Kim Jin-pyo 2022-07.jpg |
| Candidate3: | Kim Jin-pyo |
| Color3: | 0052A7 |
| 1Data3: | 27.48% |
| 2Data3: | 25.54% |
| 3Data3: | 25.37% |
| 4Data3: | 25.50% |
| 5Data3: | 26.39% |
| Leader | |
| Before Election: | Choo Mi-ae |
| After Election: | Lee Hae-chan |
The Democratic Party of Korea held a leadership election on 25 August 2018. It was the first leadership election since the inauguration of President Moon Jae-in. The elected leader was slated to serve a 2-year term.[1]
The ratio of the results by sector was 45% for delegates, 40% for party members, 10% for opinion poll and 5% for non-voting members poll.
| Delegates (45%) | Party members (40%) | Opinion poll (10%) | Non-voting members poll (5%) | Total (100%) | ||
| Lee Hae-chan | 40.57% | 45.79% | 44.03% | 38.20% | 42.88% | |
|---|---|---|---|---|---|---|
| Song Young-gil | 31.96% | 28.67% | 30.61% | 36.30% | 30.73% | |
| Kim Jin-pyo | 27.48% | 25.54% | 25.37% | 25.50% | 26.39% |