China vs Japan: Population in largest city
China
30.48 million
in 2025
Japan
37.04 million
in 2025
China rank
3rd
Japan rank
1st
Population in largest city over time
- China
- Japan
How they compare
Japan currently reports 37.04 million against 30.48 million in China, a difference of 6.55 million.
That makes Japan's figure about 1.2 times China's.
Across all 66 years both countries report, Japan has been ahead every year.
Globally, China ranks 3rd and Japan ranks 1st of 153 countries.
Individual pages
About this data
Population in largest city is the urban population living in the country's largest metropolitan area.