Japan vs United States: Population by age group
Japan
36.65 million
in 2023
United States
59.81 million
in 2023
Japan rank
4th
United States rank
3rd
Population by age group over time
- Japan
- United States
How they compare
United States currently reports 59.81 million against 36.65 million in Japan, a difference of 23.16 million.
That makes United States's figure about 1.6 times Japan's.
Across all 74 years both countries report, United States has been ahead every year.
Japan ranks 4th and United States ranks 3rd of 236 countries.
United States has averaged higher in every one of the 8 decades both report.
Head to head by decade
| Decade | Japan | United States | Difference | Ahead |
|---|---|---|---|---|
| 1950s | 4.80 million | 13.82 million | 9.02 million | United States |
| 1960s | 6.36 million | 17.87 million | 11.51 million | United States |
| 1970s | 8.88 million | 22.35 million | 13.47 million | United States |
| 1980s | 12.40 million | 28.02 million | 15.62 million | United States |
| 1990s | 18.12 million | 32.88 million | 14.76 million | United States |
| 2000s | 25.61 million | 36.02 million | 10.41 million | United States |
| 2010s | 33.35 million | 46.05 million | 12.70 million | United States |
| 2020s | 36.57 million | 57.00 million | 20.43 million | United States |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher population by age group, Japan or United States?
- United States, at 59.81 million against 36.65 million in Japan as of 2023.
- What is the difference in population by age group between Japan and United States?
- 23.16 million, with United States ahead.
- How many years of comparable data are there for Japan and United States?
- 74 years are reported by both, from 1950 to 2023.
- How do Japan and United States rank globally for population by age group?
- Japan ranks 4th and United States ranks 3rd of 236 countries.
- Where does this data come from?
- Our World in Data, published as Population by age group. Statizoid refreshes it automatically from the source and publishes the full history for both places.