Japan vs United States of America: Population in urban agglomerations of more than 1 million
Japan
80.94 million
in 2025
United States of America
160.79 million
in 2025
Japan rank
5th
United States of America rank
3rd
Population in urban agglomerations of more than 1 million over time
- Japan
- United States of America
How they compare
United States of America currently reports 160.79 million against 80.94 million in Japan, a difference of 79.85 million.
That makes United States of America's figure about 2.0 times Japan's.
Across all 66 years both countries report, United States of America has been ahead every year.
Japan ranks 5th and United States of America ranks 3rd of 121 countries.
United States of America has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | Japan | United States of America | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 45.48 million | 76.65 million | 31.17 million | United States of America |
| 1970s | 59.51 million | 88.74 million | 29.24 million | United States of America |
| 1980s | 67.59 million | 98.49 million | 30.90 million | United States of America |
| 1990s | 73.86 million | 113.20 million | 39.34 million | United States of America |
| 2000s | 77.59 million | 129.66 million | 52.07 million | United States of America |
| 2010s | 81.16 million | 145.15 million | 63.99 million | United States of America |
| 2020s | 81.32 million | 157.26 million | 75.94 million | United States of America |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher population in urban agglomerations of more than 1 million, Japan or United States of America?
- United States of America, at 160.79 million against 80.94 million in Japan as of 2025.
- What is the difference in population in urban agglomerations of more than 1 million between Japan and United States of America?
- 79.85 million, with United States of America ahead.
- How many years of comparable data are there for Japan and United States of America?
- 66 years are reported by both, from 1960 to 2025.
- How do Japan and United States of America rank globally for population in urban agglomerations of more than 1 million?
- Japan ranks 5th and United States of America ranks 3rd of 121 countries.
- Where does this data come from?
- World Urbanization Prospects 2018, United Nations (UN), published as Population in urban agglomerations of more than 1 million. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Population in urban agglomerations of more than one million is the country's population living in metropolitan areas that in 2018 had a population of more than one million people.