Netherlands vs Sierra Leone: Official entrance age to upper secondary education
Netherlands
15 years
in 2025
Sierra Leone
15 years
in 2025
Netherlands rank
64th
Sierra Leone rank
64th
Official entrance age to upper secondary education over time
- Netherlands
- Sierra Leone
How they compare
Netherlands currently reports 15 years against 15 years in Sierra Leone, a difference of 0 years.
The two have swapped places 2 times across 56 shared years of data; in 1970 it was Sierra Leone ahead.
Netherlands ranks 64th and Sierra Leone ranks 64th of 215 countries.
Across the 6 decades both report, Netherlands averaged higher in 1 and Sierra Leone in 3.
Head to head by decade
| Decade | Netherlands | 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 | 15.8 years | 15 years | 0.8 years | Netherlands |
| 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, Netherlands or Sierra Leone?
- Netherlands, 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 Netherlands and Sierra Leone?
- 0 years, with Netherlands ahead.
- How many years of comparable data are there for Netherlands and Sierra Leone?
- 56 years are reported by both, from 1970 to 2025.
- How do Netherlands and Sierra Leone rank globally for official entrance age to upper secondary education?
- Netherlands 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