South Korea vs Thailand: Population in largest city
South Korea
10.03 million
in 2025
Thailand
11.39 million
in 2025
South Korea rank
22nd
Thailand rank
19th
Population in largest city over time
- South Korea
- Thailand
How they compare
Thailand currently reports 11.39 million against 10.03 million in South Korea, a difference of 1.37 million.
That makes Thailand's figure about 1.1 times South Korea's.
The two have swapped places 1 time across 66 shared years of data; in 1960 it was South Korea ahead.
Globally, South Korea ranks 22nd and Thailand ranks 19th of 153 countries.
Individual pages
About this data
Population in largest city is the urban population living in the country's largest metropolitan area.