Chad vs Estonia: Official entrance age to upper secondary education
Chad
16 years
in 2025
Estonia
16 years
in 2025
Chad rank
10th
Estonia rank
10th
Official entrance age to upper secondary education over time
- Chad
- Estonia
How they compare
Chad currently reports 16 years against 16 years in Estonia, a difference of 0 years.
The two have swapped places 1 time across 56 shared years of data; in 1970 it was Chad ahead.
Chad ranks 10th and Estonia ranks 10th of 215 countries.
Chad has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | Chad | Estonia | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 16 years | 15 years | 1 years | Chad |
| 1980s | 16 years | 15 years | 1 years | Chad |
| 1990s | 16 years | 15.6 years | 0.4 years | Chad |
| 2000s | 16 years | 16 years | 0 years | — |
| 2010s | 16 years | 16 years | 0 years | — |
| 2020s | 16 years | 16 years | 0 years | — |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher official entrance age to upper secondary education, Chad or Estonia?
- Chad, at 16 years against 16 years in Estonia as of 2025.
- What is the difference in official entrance age to upper secondary education between Chad and Estonia?
- 0 years, with Chad ahead.
- How many years of comparable data are there for Chad and Estonia?
- 56 years are reported by both, from 1970 to 2025.
- How do Chad and Estonia rank globally for official entrance age to upper secondary education?
- Chad ranks 10th and Estonia ranks 10th of 215 countries.
- Where does this data come from?
- UNESCO Institute for Statistics, published as Official entrance age to upper 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