Republic of Korea vs Sierra Leone: Official entrance age to upper secondary education
Republic of Korea
15 years
in 2025
Sierra Leone
15 years
in 2025
Republic of Korea rank
64th
Sierra Leone rank
64th
Official entrance age to upper secondary education over time
- Republic of Korea
- Sierra Leone
How they compare
Republic of Korea currently reports 15 years against 15 years in Sierra Leone, a difference of 0 years.
Across all 56 years both countries report, Sierra Leone has been ahead every year.
Republic of Korea ranks 64th and Sierra Leone 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 | Republic of Korea | Sierra Leone | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 15 years | 17 years | 2 years | Sierra Leone |
| 1980s | 15 years | 17 years | 2 years | Sierra Leone |
| 1990s | 15 years | 16.6 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, Republic of Korea or Sierra Leone?
- Republic of Korea, at 15 years against 15 years in Sierra Leone as of 2025.
- What is the difference in official entrance age to upper secondary education between Republic of Korea and Sierra Leone?
- 0 years, with Republic of Korea ahead.
- How many years of comparable data are there for Republic of Korea and Sierra Leone?
- 56 years are reported by both, from 1970 to 2025.
- How do Republic of Korea and Sierra Leone rank globally for official entrance age to upper secondary education?
- Republic of Korea ranks 64th and Sierra Leone 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