Iran vs Tonga: Primary education, duration
Iran
6 years
in 2025
Tonga
6 years
in 2025
Iran rank
25th
Tonga rank
25th
Primary education, duration over time
- Iran
- Tonga
How they compare
Iran currently reports 6 years against 6 years in Tonga, a difference of 0 years.
Across all 56 years both countries report, Tonga has been ahead every year.
Iran ranks 25th and Tonga ranks 25th of 210 countries.
Tonga has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | Iran | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 5.2 years | 6 years | 0.8 years | Tonga |
| 1980s | 5 years | 6 years | 1 years | Tonga |
| 1990s | 5 years | 6 years | 1 years | Tonga |
| 2000s | 5 years | 6 years | 1 years | Tonga |
| 2010s | 5.7 years | 6 years | 0.3 years | Tonga |
| 2020s | 6 years | 6 years | 0 years | — |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher primary education, duration, Iran or Tonga?
- Iran, at 6 years against 6 years in Tonga as of 2025.
- What is the difference in primary education, duration between Iran and Tonga?
- 0 years, with Iran ahead.
- How many years of comparable data are there for Iran and Tonga?
- 56 years are reported by both, from 1970 to 2025.
- How do Iran and Tonga rank globally for primary education, duration?
- Iran ranks 25th and Tonga ranks 25th of 210 countries.
- Where does this data come from?
- Data API, UN Educational, Scientific and Cultural Organization (UNESCO), published as Primary education, duration (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Primary duration refers to the number of grades (years) in primary school.