Sierra Leone vs Thailand: Official entrance age to upper secondary education
Sierra Leone
15 years
in 2025
Thailand
15 years
in 2025
Sierra Leone rank
64th
Thailand rank
64th
Official entrance age to upper secondary education over time
- Sierra Leone
- Thailand
How they compare
Sierra Leone currently reports 15 years against 15 years in Thailand, a difference of 0 years.
The two have swapped places 2 times across 56 shared years of data; in 1970 it was Thailand ahead.
Sierra Leone ranks 64th and Thailand ranks 64th of 215 countries.
Sierra Leone has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | Sierra Leone | Thailand | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 17 years | 16.9 years | 0.1 years | Sierra Leone |
| 1980s | 17 years | 15.8 years | 1.2 years | Sierra Leone |
| 1990s | 16.6 years | 15 years | 1.6 years | Sierra Leone |
| 2000s | 15 years | 15 years | 0 years | — |
| 2010s | 15 years | 15 years | 0 years | — |
| 2020s | 15 years | 15 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, Sierra Leone or Thailand?
- Sierra Leone, at 15 years against 15 years in Thailand as of 2025.
- What is the difference in official entrance age to upper secondary education between Sierra Leone and Thailand?
- 0 years, with Sierra Leone ahead.
- How many years of comparable data are there for Sierra Leone and Thailand?
- 56 years are reported by both, from 1970 to 2025.
- How do Sierra Leone and Thailand rank globally for official entrance age to upper secondary education?
- Sierra Leone ranks 64th and Thailand ranks 64th 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