French Guiana vs Tonga: Theoretical duration of lower secondary education (years)
French Guiana
4 years
in 2025
Tonga
4 years
in 2025
French Guiana rank
18th
Tonga rank
18th
Theoretical duration of lower secondary education (years) over time
- French Guiana
- Tonga
How they compare
French Guiana currently reports 4 years against 4 years in Tonga, a difference of 0 years.
Across all 18 years both countries report, Tonga has been ahead every year.
French Guiana ranks 18th and Tonga ranks 18th of 221 countries.
Tonga has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | French Guiana | 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, French Guiana or Tonga?
- French Guiana, at 4 years against 4 years in Tonga as of 2025.
- What is the difference in theoretical duration of lower secondary education between French Guiana and Tonga?
- 0 years, with French Guiana ahead.
- How many years of comparable data are there for French Guiana and Tonga?
- 18 years are reported by both, from 1989 to 2025.
- How do French Guiana and Tonga rank globally for theoretical duration of lower secondary education?
- French Guiana ranks 18th and Tonga ranks 18th of 221 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