Reunion vs Tonga: Theoretical duration of lower secondary education
Reunion
4 years
in 2025
Tonga
4 years
in 2025
Reunion rank
17th
Tonga rank
17th
Theoretical duration of lower secondary education over time
- Reunion
- Tonga
How they compare
Reunion currently reports 4 years against 4 years in Tonga, a difference of 0 years.
Across all 20 years both countries report, Tonga has been ahead every year.
Reunion ranks 17th and Tonga ranks 17th of 215 countries.
Tonga has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | Reunion | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 4 years | 4 years | 0 years | — |
| 1990s | 4 years | 4 years | 0 years | — |
| 2010s | 4 years | 5 years | 1 years | Tonga |
| 2020s | 4 years | 4.5 years | 0.5 years | Tonga |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher theoretical duration of lower secondary education, Reunion or Tonga?
- Reunion, at 4 years against 4 years in Tonga as of 2025.
- What is the difference in theoretical duration of lower secondary education between Reunion and Tonga?
- 0 years, with Reunion ahead.
- How many years of comparable data are there for Reunion and Tonga?
- 20 years are reported by both, from 1989 to 2025.
- How do Reunion and Tonga rank globally for theoretical duration of lower secondary education?
- Reunion ranks 17th and Tonga ranks 17th of 215 countries.
- Where does this data come from?
- UNESCO Institute for Statistics, published as Theoretical duration of lower 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