India vs Japan: Population by age group
India
99.51 million people
in 2023
Japan
36.65 million people
in 2023
India rank
2nd
Japan rank
4th
Population by age group over time
- India
- Japan
How they compare
India currently reports 99.51 million people against 36.65 million people in Japan, a difference of 62.87 million people.
That makes India's figure about 2.7 times Japan's.
Across all 74 years both countries report, India has been ahead every year.
India ranks 2nd and Japan ranks 4th of 236 countries.
India has averaged higher in every one of the 8 decades both report.
Head to head by decade
| Decade | India | Japan | Difference | Ahead |
|---|---|---|---|---|
| 1950s | 12.43 million people | 4.80 million people | 7.63 million people | India |
| 1960s | 16.98 million people | 6.36 million people | 10.62 million people | India |
| 1970s | 23.16 million people | 8.88 million people | 14.28 million people | India |
| 1980s | 30.50 million people | 12.40 million people | 18.10 million people | India |
| 1990s | 39.79 million people | 18.12 million people | 21.67 million people | India |
| 2000s | 53.20 million people | 25.61 million people | 27.59 million people | India |
| 2010s | 72.32 million people | 33.35 million people | 38.97 million people | India |
| 2020s | 94.37 million people | 36.57 million people | 57.80 million people | India |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher population by age group, India or Japan?
- India, at 99.51 million people against 36.65 million people in Japan as of 2023.
- What is the difference in population by age group between India and Japan?
- 62.87 million people, with India ahead.
- How many years of comparable data are there for India and Japan?
- 74 years are reported by both, from 1950 to 2023.
- How do India and Japan rank globally for population by age group?
- India ranks 2nd and Japan ranks 4th of 236 countries.
- Where does this data come from?
- UN, World Population Prospects (2024) – processed by 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.
Individual pages
About this data
Total population, measured on 1 July of the year shown. This only includes people aged 65+.