Chad vs Tonga: Official entrance age to primary education
Chad
6 years
in 2025
Tonga
6 years
in 2025
Chad rank
33rd
Tonga rank
33rd
Official entrance age to primary education over time
- Chad
- Tonga
How they compare
Chad currently reports 6 years against 6 years in Tonga, a difference of 0 years.
The two have swapped places 2 times across 56 shared years of data; in 1970 it was Tonga ahead.
Chad ranks 33rd and Tonga ranks 33rd of 218 countries.
Chad has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | Chad | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 6 years | 6 years | 0 years | — |
| 1980s | 6 years | 5.4 years | 0.6 years | Chad |
| 1990s | 6 years | 5 years | 1 years | Chad |
| 2000s | 6 years | 5 years | 1 years | Chad |
| 2010s | 6 years | 5.8 years | 0.2 years | Chad |
| 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, Chad or Tonga?
- Chad, at 6 years against 6 years in Tonga as of 2025.
- What is the difference in official entrance age to primary education between Chad and Tonga?
- 0 years, with Chad ahead.
- How many years of comparable data are there for Chad and Tonga?
- 56 years are reported by both, from 1970 to 2025.
- How do Chad and Tonga rank globally for official entrance age to primary education?
- Chad 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