Greece vs Iran: Theoretical duration of upper secondary education in years
Greece
3
in 2025
Iran
3
in 2025
Greece rank
25th
Iran rank
25th
Theoretical duration of upper secondary education in years over time
- Greece
- Iran
How they compare
Greece currently reports 3 against 3 in Iran, a difference of 0.
Across all 56 years both countries report, Iran has been ahead every year.
Greece ranks 25th and Iran ranks 25th of 73 countries.
Iran has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | Greece | Iran | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 3 | 3.2 | 0.2 | Iran |
| 1980s | 3 | 4 | 1 | Iran |
| 1990s | 3 | 4 | 1 | Iran |
| 2000s | 3 | 4 | 1 | Iran |
| 2010s | 3 | 3.6 | 0.6 | Iran |
| 2020s | 3 | 3 | 0 | — |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher theoretical duration of upper secondary education in years, Greece or Iran?
- Greece, at 3 against 3 in Iran as of 2025.
- What is the difference in theoretical duration of upper secondary education in years between Greece and Iran?
- 0, with Greece ahead.
- How many years of comparable data are there for Greece and Iran?
- 56 years are reported by both, from 1970 to 2025.
- How do Greece and Iran rank globally for theoretical duration of upper secondary education in years?
- Greece ranks 25th and Iran ranks 25th of 73 countries.
- Where does this data come from?
- UNICEF, published as Theoretical duration of upper secondary education in years. Statizoid refreshes it automatically from the source and publishes the full history for both places.