Japan vs United States: Number of children, working-age adults, and older people
Japan
36.65 million people
in 2023
United States
59.81 million people
in 2023
Japan rank
4th
United States rank
3rd
Number of children, working-age adults, and older people over time
- Japan
- United States
How they compare
United States currently reports 59.81 million people against 36.65 million people in Japan, a difference of 23.16 million people.
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 people | 13.82 million people | 9.02 million people | United States |
| 1960s | 6.36 million people | 17.87 million people | 11.51 million people | United States |
| 1970s | 8.88 million people | 22.35 million people | 13.47 million people | United States |
| 1980s | 12.40 million people | 28.02 million people | 15.62 million people | United States |
| 1990s | 18.12 million people | 32.88 million people | 14.76 million people | United States |
| 2000s | 25.61 million people | 36.02 million people | 10.41 million people | United States |
| 2010s | 33.35 million people | 46.05 million people | 12.70 million people | United States |
| 2020s | 36.57 million people | 57.00 million people | 20.43 million people | United States |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher number of children, working-age adults, and older people, Japan or United States?
- United States, at 59.81 million people against 36.65 million people in Japan as of 2023.
- What is the difference in number of children, working-age adults, and older people between Japan and United States?
- 23.16 million people, 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 number of children, working-age adults, and older people?
- Japan ranks 4th and United States ranks 3rd of 236 countries.
- Where does this data come from?
- UN, World Population Prospects (2024) – processed by Our World in Data, published as Number of children, working-age adults, and older people. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Total population, measured on 1 July of the year shown. This only includes people aged 65+.