Hong Kong vs Sierra Leone: Theoretical duration of lower secondary education (years)
Hong Kong
3 years
in 2025
Sierra Leone
3 years
in 2025
Hong Kong rank
91st
Sierra Leone rank
91st
Theoretical duration of lower secondary education (years) over time
- Hong Kong
- Sierra Leone
How they compare
Hong Kong 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.
Hong Kong ranks 91st and Sierra Leone ranks 91st of 221 countries.
Head to head by decade
| Decade | Hong Kong | Sierra Leone | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 5 years | 5 years | 0 years | — |
| 1980s | 5 years | 5 years | 0 years | — |
| 1990s | 4.6 years | 4.6 years | 0 years | — |
| 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, Hong Kong or Sierra Leone?
- Hong Kong, at 3 years against 3 years in Sierra Leone as of 2025.
- What is the difference in theoretical duration of lower secondary education between Hong Kong and Sierra Leone?
- 0 years, with Hong Kong ahead.
- How many years of comparable data are there for Hong Kong and Sierra Leone?
- 56 years are reported by both, from 1970 to 2025.
- How do Hong Kong and Sierra Leone rank globally for theoretical duration of lower secondary education?
- Hong Kong ranks 91st and Sierra Leone ranks 91st of 221 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