Iran vs Latvia: Theoretical duration of secondary education
Iran
6 years
in 2025
Latvia
6 years
in 2025
Iran rank
96th
Latvia rank
96th
Theoretical duration of secondary education over time
- Iran
- Latvia
How they compare
Iran currently reports 6 years against 6 years in Latvia, a difference of 0 years.
The two have swapped places 2 times across 56 shared years of data; in 1970 it was Latvia ahead.
Iran ranks 96th and Latvia ranks 96th of 215 countries.
Across the 6 decades both report, Iran averaged higher in 1 and Latvia in 4.
Head to head by decade
| Decade | Iran | Latvia | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 6.2 years | 8 years | 1.8 years | Latvia |
| 1980s | 7 years | 8 years | 1 years | Latvia |
| 1990s | 7 years | 8 years | 1 years | Latvia |
| 2000s | 7 years | 7.4 years | 0.4 years | Latvia |
| 2010s | 6.3 years | 6 years | 0.3 years | Iran |
| 2020s | 6 years | 6 years | 0 years | — |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher theoretical duration of secondary education, Iran or Latvia?
- Iran, at 6 years against 6 years in Latvia as of 2025.
- What is the difference in theoretical duration of secondary education between Iran and Latvia?
- 0 years, with Iran ahead.
- How many years of comparable data are there for Iran and Latvia?
- 56 years are reported by both, from 1970 to 2025.
- How do Iran and Latvia rank globally for theoretical duration of secondary education?
- Iran ranks 96th and Latvia ranks 96th of 215 countries.
- Where does this data come from?
- UNESCO Institute for Statistics, published as Theoretical duration of 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