Hong Kong, China vs Sierra Leone: Duration of pre-primary education
Hong Kong, China
3 years
in 2025
Sierra Leone
3 years
in 2025
Hong Kong, China rank
27th
Sierra Leone rank
27th
Duration of pre-primary education over time
- Hong Kong, China
- Sierra Leone
How they compare
Hong Kong, China currently reports 3 years against 3 years in Sierra Leone, a difference of 0 years.
The two have swapped places 1 time across 56 shared years of data; in 1970 it was Hong Kong, China ahead.
Hong Kong, China ranks 27th and Sierra Leone ranks 27th of 223 countries.
Hong Kong, China has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | Hong Kong, China | Sierra Leone | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 3 years | 2 years | 1 years | Hong Kong, China |
| 1980s | 3 years | 2 years | 1 years | Hong Kong, China |
| 1990s | 3 years | 2.2 years | 0.8 years | Hong Kong, China |
| 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 duration of pre-primary education, Hong Kong, China or Sierra Leone?
- Hong Kong, China, at 3 years against 3 years in Sierra Leone as of 2025.
- What is the difference in duration of pre-primary education between Hong Kong, China and Sierra Leone?
- 0 years, with Hong Kong, China ahead.
- How many years of comparable data are there for Hong Kong, China and Sierra Leone?
- 56 years are reported by both, from 1970 to 2025.
- How do Hong Kong, China and Sierra Leone rank globally for duration of pre-primary education?
- Hong Kong, China ranks 27th and Sierra Leone ranks 27th of 223 countries.
- Where does this data come from?
- UNESCO Institute for Statistics (2026) – with minor processing by Our World in Data, published as Duration of pre-primary education. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Average number of years that a child is expected to spend in pre-primary education, defined by country's official educational regulations or laws.