Chad vs Oman: Official entrance age to upper secondary education
Chad
16 years
in 2025
Oman
16 years
in 2025
Chad rank
10th
Oman rank
10th
Official entrance age to upper secondary education over time
- Chad
- Oman
How they compare
Chad currently reports 16 years against 16 years in Oman, 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 Oman 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 | Oman | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 16 years | 15 years | 1 years | Chad |
| 1980s | 16 years | 15 years | 1 years | Chad |
| 1990s | 16 years | 15 years | 1 years | Chad |
| 2000s | 16 years | 15 years | 1 years | Chad |
| 2010s | 16 years | 15.2 years | 0.8 years | Chad |
| 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 Oman?
- Chad, at 16 years against 16 years in Oman as of 2025.
- What is the difference in official entrance age to upper secondary education between Chad and Oman?
- 0 years, with Chad ahead.
- How many years of comparable data are there for Chad and Oman?
- 56 years are reported by both, from 1970 to 2025.
- How do Chad and Oman rank globally for official entrance age to upper secondary education?
- Chad ranks 10th and Oman 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