Niger vs Tonga: Secondary education, duration
Niger
7 years
in 2025
Tonga
7 years
in 2025
Niger rank
26th
Tonga rank
26th
Secondary education, duration over time
- Niger
- Tonga
How they compare
Niger currently reports 7 years against 7 years in Tonga, a difference of 0 years.
The two have swapped places 3 times across 56 shared years of data; in 1970 it was Niger ahead.
Niger ranks 26th and Tonga ranks 26th of 209 countries.
Niger has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | Niger | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 7 years | 6 years | 1 years | Niger |
| 1980s | 7 years | 6.6 years | 0.4 years | Niger |
| 1990s | 7 years | 6.8 years | 0.2 years | Niger |
| 2000s | 7 years | 6 years | 1 years | Niger |
| 2010s | 7 years | 6.8 years | 0.2 years | Niger |
| 2020s | 7 years | 7 years | 0 years | — |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher secondary education, duration, Niger or Tonga?
- Niger, at 7 years against 7 years in Tonga as of 2025.
- What is the difference in secondary education, duration between Niger and Tonga?
- 0 years, with Niger ahead.
- How many years of comparable data are there for Niger and Tonga?
- 56 years are reported by both, from 1970 to 2025.
- How do Niger and Tonga rank globally for secondary education, duration?
- Niger ranks 26th and Tonga ranks 26th of 209 countries.
- Where does this data come from?
- Data API, UN Educational, Scientific and Cultural Organization (UNESCO), published as Secondary education, duration (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Secondary duration refers to the number of grades (years) in secondary school.