KOREA, IN NUMBERS Population
South Korea Regions by Population
All regions are compared using the same data month. Equal values share a rank.
MonthlyLatest available: Aug 2026
Population
Aug 2026| Rank | Region | Population | Share of national population |
|---|---|---|---|
| 1 | Gyeonggi | 13,773,918 | 26.96% |
| 2 | Seoul | 9,281,625 | 18.17% |
| 3 | Busan | 3,229,467 | 6.32% |
| 4 | South Gyeongsang | 3,191,645 | 6.25% |
| 5 | Jeonnam-Gwangju Special Metropolitan City | 3,155,803 | 6.18% |
| 6 | Incheon | 3,066,185 | 6.00% |
| 7 | North Gyeongsang | 2,492,677 | 4.88% |
| 8 | Daegu | 2,346,277 | 4.59% |
| 9 | South Chungcheong | 2,138,938 | 4.19% |
| 10 | Jeonbuk | 1,716,965 | 3.36% |
| 11 | North Chungcheong | 1,601,367 | 3.13% |
| 12 | Gangwon | 1,506,662 | 2.95% |
| 13 | Daejeon | 1,442,838 | 2.82% |
| 14 | Ulsan | 1,086,373 | 2.13% |
| 15 | Jeju | 662,681 | 1.30% |
| 16 | Sejong | 390,738 | 0.76% |
— means unavailable. Missing values are never treated as zero.
Definition
This population series is based on South Korea's resident registration statistics. Foreign residents are not included in this dataset.
MethodologySource: KOSIS ↗ · Monthly resident registration populationLast updated: Sep 29, 2026