San Marino vs Sierra Leone: Theoretical duration of lower secondary education
San Marino
3 years
in 2025
Sierra Leone
3 years
in 2025
San Marino rank
88th
Sierra Leone rank
88th
Theoretical duration of lower secondary education over time
- San Marino
- Sierra Leone
How they compare
San Marino currently reports 3 years against 3 years in Sierra Leone, a difference of 0 years.
Across all 56 years both countries report, Sierra Leone has been ahead every year.
San Marino ranks 88th and Sierra Leone ranks 88th of 215 countries.
Sierra Leone has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | San Marino | Sierra Leone | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 3 years | 5 years | 2 years | Sierra Leone |
| 1980s | 3 years | 5 years | 2 years | Sierra Leone |
| 1990s | 3 years | 4.6 years | 1.6 years | Sierra Leone |
| 2000s | 3 years | 3 years | 0 years | — |
| 2010s | 3 years | 3 years | 0 years | — |
| 2020s | 3 years | 3 years | 0 years | — |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher theoretical duration of lower secondary education, San Marino or Sierra Leone?
- San Marino, at 3 years against 3 years in Sierra Leone as of 2025.
- What is the difference in theoretical duration of lower secondary education between San Marino and Sierra Leone?
- 0 years, with San Marino ahead.
- How many years of comparable data are there for San Marino and Sierra Leone?
- 56 years are reported by both, from 1970 to 2025.
- How do San Marino and Sierra Leone rank globally for theoretical duration of lower secondary education?
- San Marino ranks 88th and Sierra Leone ranks 88th of 215 countries.
- Where does this data come from?
- UNESCO Institute for Statistics, published as Theoretical duration of lower 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