Sierra Leone vs United Kingdom of Great Britain and Northern Ireland: Theoretical duration of secondary education
Sierra Leone
7 years
in 2025
United Kingdom of Great Britain and Northern Ireland
7 years
in 2025
Sierra Leone rank
26th
United Kingdom of Great Britain and Northern Ireland rank
26th
Theoretical duration of secondary education over time
- Sierra Leone
- United Kingdom of Great Britain and Northern Ireland
How they compare
Sierra Leone currently reports 7 years against 7 years in United Kingdom of Great Britain and Northern Ireland, a difference of 0 years.
The two have swapped places 2 times across 56 shared years of data; in 1970 it was United Kingdom of Great Britain and Northern Ireland ahead.
Sierra Leone ranks 26th and United Kingdom of Great Britain and Northern Ireland ranks 26th of 215 countries.
United Kingdom of Great Britain and Northern Ireland has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | Sierra Leone | United Kingdom of Great Britain and Northern Ireland | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 7 years | 7 years | 0 years | — |
| 1980s | 7 years | 7 years | 0 years | — |
| 1990s | 6.9 years | 7 years | 0.1 years | United Kingdom of Great Britain and Northern Ireland |
| 2000s | 6 years | 7 years | 1 years | United Kingdom of Great Britain and Northern Ireland |
| 2010s | 6.7 years | 7 years | 0.3 years | United Kingdom of Great Britain and Northern Ireland |
| 2020s | 7 years | 7 years | 0 years | — |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher theoretical duration of secondary education, Sierra Leone or United Kingdom of Great Britain and Northern Ireland?
- Sierra Leone, at 7 years against 7 years in United Kingdom of Great Britain and Northern Ireland as of 2025.
- What is the difference in theoretical duration of secondary education between Sierra Leone and United Kingdom of Great Britain and Northern Ireland?
- 0 years, with Sierra Leone ahead.
- How many years of comparable data are there for Sierra Leone and United Kingdom of Great Britain and Northern Ireland?
- 56 years are reported by both, from 1970 to 2025.
- How do Sierra Leone and United Kingdom of Great Britain and Northern Ireland rank globally for theoretical duration of secondary education?
- Sierra Leone ranks 26th and United Kingdom of Great Britain and Northern Ireland ranks 26th of 215 countries.
- Where does this data come from?
- UNESCO Institute for Statistics, published as Theoretical duration of 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