Iran vs Japan: Age population, age 21, female, interpolated
Iran
574,743
in 2025
Japan
591,946
in 2025
Iran rank
20th
Japan rank
19th
Age population, age 21, female, interpolated over time
- Iran
- Japan
How they compare
Japan currently reports 591,946 against 574,743 in Iran, a difference of 17,203.
The two have swapped places 2 times across 66 shared years of data; in 1960 it was Japan ahead.
Iran ranks 20th and Japan ranks 19th of 217 countries.
Across the 7 decades both report, Iran averaged higher in 2 and Japan in 5.
Head to head by decade
| Decade | Iran | Japan | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 178,372 | 994,396 | 816,024 | Japan |
| 1970s | 296,256 | 919,132 | 622,876 | Japan |
| 1980s | 423,533 | 780,758 | 357,225 | Japan |
| 1990s | 523,237 | 934,800 | 411,563 | Japan |
| 2000s | 871,611 | 703,481 | 168,130 | Iran |
| 2010s | 716,817 | 585,892 | 130,925 | Iran |
| 2020s | 562,129 | 591,582 | 29,453 | Japan |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher age population, age 21, female, interpolated, Iran or Japan?
- Japan, at 591,946 against 574,743 in Iran as of 2025.
- What is the difference in age population, age 21, female, interpolated between Iran and Japan?
- 17,203, with Japan ahead.
- How many years of comparable data are there for Iran and Japan?
- 66 years are reported by both, from 1960 to 2025.
- How do Iran and Japan rank globally for age population, age 21, female, interpolated?
- Iran ranks 20th and Japan ranks 19th of 217 countries.
- Where does this data come from?
- United Nations Population Division. World Population Prospects: 2022 Revision, published as Age population, age 21, female, interpolated. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Age population, female refers to female population at the specified age level. The geographical areas included in the data are the same as the data source.