Korea's Democratic Party picks its leader in Daejeon on August 17, 2026
The ruling Democratic Party of South Korea confirms its new leader at a convention in Daejeon on August 17, 2026. In the Seoul-Gyeonggi round announced on August 16, Kim Min-seok took 46.66% (148,245 votes) to Jung Chung-rae's 46.28% (147,048), a gap of 1,197 votes; cumulative standings are Kim 49.91%, Jung 41.51% and Song Young-gil 8.58%
The three lines
- Seoul-Gyeonggi round — Kim Min-seok 46.66% (148,245), Jung Chung-rae 46.28% (147,048), Song Young-gil 7.05% (22,410); margin of 1,197 votes
- Cumulative — Kim 49.91% (383,373 votes), Jung 41.51% (318,806), Song 8.58% (66,874); an 8.40-point lead
- Still outstanding — delegate online voting held on August 17 and a national opinion poll weighted at 30% are revealed at the convention itself
Key questions
- When and where does the Democratic Party convention take place?
- In Daejeon on August 17, 2026. At the convention, the results of the delegate online vote and a national opinion poll are announced and combined with the cumulative results of the touring primary to confirm the new party leader. August 17 is a substitute public holiday in South Korea, shifted from Liberation Day on August 15.
- Is Kim Min-seok winning?
- He leads on cumulative votes. Through the Seoul-Gyeonggi round announced August 16, the running totals are Kim Min-seok 49.91% (383,373 votes), Jung Chung-rae 41.51% (318,806) and Song Young-gil 8.58% (66,874) — an 8.40-point lead. But the delegate vote and the opinion poll weighted at 30% are still unrevealed, so the outcome is only settled at the convention.
- How close was the Seoul-Gyeonggi round?
- 1,197 votes. Kim took 46.66% to Jung's 46.28%, a difference of 0.38 percentage points. The capital region held 38% of the remaining electorate and was the last major battleground. Kim won it, following his win in the Honam round covered here on August 16 — but by a margin measured in decimal places.
South Korea's ruling Democratic Party has been choosing a new leader through a touring primary — a single leadership election split into regional rounds held over several weeks. This page has covered six of those rounds since August 3.
On the evening of August 16, the last one closed. One day remains.
1. What happened on August 16
The Seoul and Gyeonggi round — the capital region — was decided by 1,197 votes.
| Candidate | Share | Votes |
|---|---|---|
| Kim Min-seok | 46.66% | 148,245 |
| Jung Chung-rae | 46.28% | 147,048 |
| Song Young-gil | 7.05% | 22,410 |
A margin of 0.38 percentage points.
The capital region held 38% of the remaining electorate — the largest single bloc left on the calendar. If Jung Chung-rae was going to overturn the race, this was where. If Kim Min-seok was going to close it out, also here. Kim won it. But "closing it out" is a strong description for a gap of that size.
2. The cumulative picture
One round's 1,197 votes and the running total are different stories.
| Candidate | Cumulative share | Cumulative votes |
|---|---|---|
| Kim Min-seok | 49.91% | 383,373 |
| Jung Chung-rae | 41.51% | 318,806 |
| Song Young-gil | 8.58% | 66,874 |
An 8.40-point lead, or 64,567 votes. Kim enters the Daejeon convention ahead.
One number is worth pausing on: Kim's cumulative share falls 0.09 points short of 50%. The touring primary alone did not produce a majority for anyone.
3. Why it is not over — two sealed envelopes
Two further components are revealed on the day of the convention.
| Component | Detail |
|---|---|
| Delegate online vote | Held August 17, announced same day |
| National opinion poll | Weighted at 30% |
The structure of the party's registered-member vote was covered here on August 10 in "What are Korea's registered party members"; the touring primary format itself in "Korea's touring primary" on August 3.
The key point for readers outside Korea: the 8.40-point gap exists inside the primary component, and the opinion poll's 30% weight sits on top of it separately. A large enough swing in the poll leaves arithmetic room for a reversal. How much room, in practice, is disputed between the two campaigns, and no verifiable data has been published.
4. Daejeon, and the date
The convention is in Daejeon — a central city that was not a decisive battleground in any round. The primary ran from Jeju and Incheon through Busan-Ulsan-Gyeongnam, Chungcheong, Gangwon and the Daegu-Gyeongbuk region, Honam, and finally the capital.
August 17 is a substitute public holiday, shifted from Liberation Day on August 15 because it fell on a Saturday. Government offices, banks and the stock exchange are all closed — which means broadcast attention on a non-working day.
5. What remains unverified
No poll numbers are public. The 30% weighting is disclosed; candidate-level results are not, until the convention floor.
Delegate vote size is not published. How many delegates vote online on August 17, and what share of the final tally that represents, is not confirmed here.
Both campaigns claim they win. Each side describes a favorable picture. This page has not independently verified either.
Earlier coverage: "Kim Min-seok wins the Honam round" and "Kim Min-seok retakes the lead."
Sources
- The Hankook Ilbo — Kim Min-seok takes Seoul and Gyeonggi after Honam, by 0.38 points
- Weekly Kyunghyang — Kim Min-seok wins the capital region, leads cumulatively by 8.40 points
- MoneyToday — Seoul and Gyeonggi primary results announced
- Weekly Kyunghyang — The remaining 38%: why the capital region round decided the race