Niger vs Sierra Leone: School age population, post-secondary non-tertiary education, both
Niger
552,146
in 2025
Sierra Leone
531,270
in 2025
Niger rank
51st
Sierra Leone rank
53rd
School age population, post-secondary non-tertiary education, both over time
- Niger
- Sierra Leone
How they compare
Niger currently reports 552,146 against 531,270 in Sierra Leone, a difference of 20,876.
The two have swapped places 2 times across 27 shared years of data; in 1999 it was Niger ahead.
Niger ranks 51st and Sierra Leone ranks 53rd of 174 countries.
Across the 4 decades both report, Niger averaged higher in 2 and Sierra Leone in 2.
Head to head by decade
| Decade | Niger | Sierra Leone | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 202,720 | 168,490 | 34,230 | Niger |
| 2000s | 262,438 | 208,469 | 53,968 | Niger |
| 2010s | 333,942 | 372,233 | 38,291 | Sierra Leone |
| 2020s | 477,446 | 507,505 | 30,060 | Sierra Leone |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher school age population, post-secondary non-tertiary education, both, Niger or Sierra Leone?
- Niger, at 552,146 against 531,270 in Sierra Leone as of 2025.
- What is the difference in school age population, post-secondary non-tertiary education, both between Niger and Sierra Leone?
- 20,876, with Niger ahead.
- How many years of comparable data are there for Niger and Sierra Leone?
- 27 years are reported by both, from 1999 to 2025.
- How do Niger and Sierra Leone rank globally for school age population, post-secondary non-tertiary education, both?
- Niger ranks 51st and Sierra Leone ranks 53rd of 174 countries.
- Where does this data come from?
- UNESCO Institute for Statistics, published as School age population, post-secondary non-tertiary education, both sexes (number). Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
February 2026 Data Release