Korea vs Thailand: Population in largest city
Korea
10.03 million
in 2025
Thailand
11.39 million
in 2025
Korea rank
22nd
Thailand rank
19th
Population in largest city over time
- Korea
- Thailand
How they compare
Thailand currently reports 11.39 million against 10.03 million in Korea, a difference of 1.37 million.
That makes Thailand's figure about 1.1 times Korea's.
The two have swapped places 1 time across 66 shared years of data; in 1960 it was Korea ahead.
Korea ranks 22nd and Thailand ranks 19th of 153 countries.
Across the 7 decades both report, Korea averaged higher in 6 and Thailand in 1.
Head to head by decade
| Decade | Korea | Thailand | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 3.44 million | 2.55 million | 885,084 | Korea |
| 1970s | 6.64 million | 3.79 million | 2.85 million | Korea |
| 1980s | 9.24 million | 5.23 million | 4.01 million | Korea |
| 1990s | 10.28 million | 6.10 million | 4.18 million | Korea |
| 2000s | 9.83 million | 7.20 million | 2.63 million | Korea |
| 2010s | 9.88 million | 9.30 million | 583,601 | Korea |
| 2020s | 9.99 million | 10.98 million | 988,668 | Thailand |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher population in largest city, Korea or Thailand?
- Thailand, at 11.39 million against 10.03 million in Korea as of 2025.
- What is the difference in population in largest city between Korea and Thailand?
- 1.37 million, with Thailand ahead.
- How many years of comparable data are there for Korea and Thailand?
- 66 years are reported by both, from 1960 to 2025.
- How do Korea and Thailand rank globally for population in largest city?
- Korea ranks 22nd and Thailand ranks 19th of 153 countries.
- Where does this data come from?
- World Urbanization Prospects 2018, United Nations (UN), published as Population in largest city. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Population in largest city is the urban population living in the country's largest metropolitan area.