Indonesia vs Japan: Population by age group
Indonesia
19.82 million
in 2023
Japan
36.65 million
in 2023
Indonesia rank
7th
Japan rank
4th
Population by age group over time
- Indonesia
- Japan
How they compare
Japan currently reports 36.65 million against 19.82 million in Indonesia, a difference of 16.83 million.
That makes Japan's figure about 1.8 times Indonesia's.
Across all 74 years both countries report, Japan has been ahead every year.
Indonesia ranks 7th and Japan ranks 4th of 236 countries.
Japan has averaged higher in every one of the 8 decades both report.
Head to head by decade
| Decade | Indonesia | Japan | Difference | Ahead |
|---|---|---|---|---|
| 1950s | 1.59 million | 4.80 million | 3.20 million | Japan |
| 1960s | 2.75 million | 6.36 million | 3.61 million | Japan |
| 1970s | 4.41 million | 8.88 million | 4.47 million | Japan |
| 1980s | 6.26 million | 12.40 million | 6.13 million | Japan |
| 1990s | 8.85 million | 18.12 million | 9.27 million | Japan |
| 2000s | 12.56 million | 25.61 million | 13.05 million | Japan |
| 2010s | 15.91 million | 33.35 million | 17.44 million | Japan |
| 2020s | 18.88 million | 36.57 million | 17.70 million | Japan |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher population by age group, Indonesia or Japan?
- Japan, at 36.65 million against 19.82 million in Indonesia as of 2023.
- What is the difference in population by age group between Indonesia and Japan?
- 16.83 million, with Japan ahead.
- How many years of comparable data are there for Indonesia and Japan?
- 74 years are reported by both, from 1950 to 2023.
- How do Indonesia and Japan rank globally for population by age group?
- Indonesia ranks 7th and Japan ranks 4th 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.