Population in Seoul
3 indicators covering population for Seoul.
| Indicator | Latest | Year | 10-yr change | Rank |
|---|---|---|---|---|
| Heat stress - Cities and FUAs — Mean population exposure to heat | 63.47 Days per year | 2025 | up 33.8% | 466th |
| Population by age and sex - Cities and FUAs | 20.91 million Persons | 2023 | up 0.1% | 2nd |
| Population and built-up density - Cities and FUAs — Urbanised area | 490 Square kilometres | 2030 | up 3.4% | 16th |