Iraq vs Tonga: Theoretical duration of upper secondary education
Iraq
3 years
in 2025
Tonga
3 years
in 2025
Iraq rank
52nd
Tonga rank
52nd
Theoretical duration of upper secondary education over time
- Iraq
- Tonga
How they compare
Iraq currently reports 3 years against 3 years in Tonga, a difference of 0 years.
The two have swapped places 3 times across 54 shared years of data; in 1970 it was Iraq ahead.
Iraq ranks 52nd and Tonga ranks 52nd of 215 countries.
Iraq has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | Iraq | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 3 years | 2 years | 1 years | Iraq |
| 1980s | 3 years | 2.6 years | 0.4 years | Iraq |
| 1990s | 3 years | 2.8 years | 0.2 years | Iraq |
| 2000s | 3 years | 2 years | 1 years | Iraq |
| 2010s | 3 years | 2 years | 1 years | Iraq |
| 2020s | 3 years | 2.5 years | 0.5 years | Iraq |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher theoretical duration of upper secondary education, Iraq or Tonga?
- Iraq, at 3 years against 3 years in Tonga as of 2025.
- What is the difference in theoretical duration of upper secondary education between Iraq and Tonga?
- 0 years, with Iraq ahead.
- How many years of comparable data are there for Iraq and Tonga?
- 54 years are reported by both, from 1970 to 2025.
- How do Iraq and Tonga rank globally for theoretical duration of upper secondary education?
- Iraq ranks 52nd and Tonga ranks 52nd of 215 countries.
- Where does this data come from?
- UNESCO Institute for Statistics, published as Theoretical duration of 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