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

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.

Indicator: Number of children, working-age adults, and older people
Unit: people
Source: UN, World Population Prospects (2024) – processed by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 236 places, 17,464 data points, 1950–2023
Last refreshed: 07 August 2026

The total population, measured on 1 July of the year shown. This only includes people aged 65+.