Iran, Islamic Republic of vs Japan: Official entrance age to upper secondary education
Iran, Islamic Republic of
15 years
in 2025
Japan
15 years
in 2025
Iran, Islamic Republic of rank
65th
Japan rank
65th
Official entrance age to upper secondary education over time
- Iran, Islamic Republic of
- Japan
How they compare
Iran, Islamic Republic of currently reports 15 years against 15 years in Japan, a difference of 0 years.
Across all 56 years both countries report, Japan has been ahead every year.
Iran, Islamic Republic of ranks 65th and Japan ranks 65th of 221 countries.
Japan has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | Iran, Islamic Republic of | Japan | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 14.2 years | 15 years | 0.8 years | Japan |
| 1980s | 14 years | 15 years | 1 years | Japan |
| 1990s | 14 years | 15 years | 1 years | Japan |
| 2000s | 14 years | 15 years | 1 years | Japan |
| 2010s | 14.4 years | 15 years | 0.6 years | Japan |
| 2020s | 15 years | 15 years | 0 years | — |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher official entrance age to upper secondary education, Iran, Islamic Republic of or Japan?
- Iran, Islamic Republic of, at 15 years against 15 years in Japan as of 2025.
- What is the difference in official entrance age to upper secondary education between Iran, Islamic Republic of and Japan?
- 0 years, with Iran, Islamic Republic of ahead.
- How many years of comparable data are there for Iran, Islamic Republic of and Japan?
- 56 years are reported by both, from 1970 to 2025.
- How do Iran, Islamic Republic of and Japan rank globally for official entrance age to upper secondary education?
- Iran, Islamic Republic of ranks 65th and Japan ranks 65th of 221 countries.
- Where does this data come from?
- UNESCO Institute for Statistics, published as Official entrance age to upper secondary education (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
February 2026 Data Release