South Sudan vs Tonga: Official entrance age to lower secondary education
South Sudan
12 years
in 2025
Tonga
12 years
in 2025
South Sudan rank
30th
Tonga rank
30th
Official entrance age to lower secondary education over time
- South Sudan
- Tonga
How they compare
South Sudan currently reports 12 years against 12 years in Tonga, a difference of 0 years.
The two have swapped places 1 time across 27 shared years of data; in 1999 it was South Sudan ahead.
South Sudan ranks 30th and Tonga ranks 30th of 215 countries.
South Sudan has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | South Sudan | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 12 years | 11 years | 1 years | South Sudan |
| 2000s | 12 years | 11 years | 1 years | South Sudan |
| 2010s | 12 years | 11.8 years | 0.2 years | South Sudan |
| 2020s | 12 years | 12 years | 0 years | — |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher official entrance age to lower secondary education, South Sudan or Tonga?
- South Sudan, at 12 years against 12 years in Tonga as of 2025.
- What is the difference in official entrance age to lower secondary education between South Sudan and Tonga?
- 0 years, with South Sudan ahead.
- How many years of comparable data are there for South Sudan and Tonga?
- 27 years are reported by both, from 1999 to 2025.
- How do South Sudan and Tonga rank globally for official entrance age to lower secondary education?
- South Sudan ranks 30th and Tonga ranks 30th of 215 countries.
- Where does this data come from?
- UNESCO Institute for Statistics, published as Official entrance age to 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