Sudan vs Tonga: Official entrance age to primary education
Sudan
6 years
in 2025
Tonga
6 years
in 2025
Sudan rank
33rd
Tonga rank
33rd
Official entrance age to primary education over time
- Sudan
- Tonga
How they compare
Sudan currently reports 6 years against 6 years in Tonga, a difference of 0 years.
The two have swapped places 1 time across 28 shared years of data; in 1998 it was Sudan ahead.
Sudan ranks 33rd and Tonga ranks 33rd of 218 countries.
Sudan has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | Sudan | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 6 years | 5 years | 1 years | Sudan |
| 2000s | 6 years | 5 years | 1 years | Sudan |
| 2010s | 6 years | 5.8 years | 0.2 years | Sudan |
| 2020s | 6 years | 6 years | 0 years | — |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher official entrance age to primary education, Sudan or Tonga?
- Sudan, at 6 years against 6 years in Tonga as of 2025.
- What is the difference in official entrance age to primary education between Sudan and Tonga?
- 0 years, with Sudan ahead.
- How many years of comparable data are there for Sudan and Tonga?
- 28 years are reported by both, from 1998 to 2025.
- How do Sudan and Tonga rank globally for official entrance age to primary education?
- Sudan ranks 33rd and Tonga ranks 33rd of 218 countries.
- Where does this data come from?
- UNESCO Institute for Statistics, published as Official entrance age to primary 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