Tokyo vs Seoul
Tokyo is about 3.6× larger than Seoul by administrative area. Tokyo (Japan) covers 2,194 km² (847 mi²) with a population of 14.3 million, while Seoul (South Korea) covers 605 km² (234 mi²) with 9.7 million residents.
| Metric | Tokyo | Seoul |
|---|---|---|
| Area | 2,194 km² | 605 km² |
| Area (mi²) | 847 mi² | 234 mi² |
| Population | 14,264,798 | 9,668,465 |
| Population density | 6,502 /km² | 15,974 /km² |
| Area ratio | Tokyo is ~3.6× larger by area than Seoul. | |
Frequently asked questions
Is Tokyo bigger than Seoul?
Yes — Tokyo is about 3.6× larger by area: 2,194 km² vs 605 km².
How big is Tokyo?
Tokyo, Japan, covers about 2,194 km² (847 mi²) of administrative area.
How big is Seoul?
Seoul, South Korea, covers about 605 km² (234 mi²) of administrative area.
Which city has more people, Tokyo or Seoul?
Tokyo has the larger population: 14.3 million vs 9.7 million. Population density is about 6,502 people/km² in Tokyo and 15,974 people/km² in Seoul.
City boundaries from OpenStreetMap. Last updated 2026-08-28.
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