Guinea-Bissau vs Japan: Duration of pre-primary education
Guinea-Bissau
3 years
in 2025
Japan
3 years
in 2025
Guinea-Bissau rank
27th
Japan rank
27th
Duration of pre-primary education over time
- Guinea-Bissau
- Japan
How they compare
Guinea-Bissau currently reports 3 years against 3 years in Japan, a difference of 0 years.
Across all 56 years both countries report, Japan has been ahead every year.
Guinea-Bissau ranks 27th and Japan ranks 27th of 223 countries.
Head to head by decade
| Decade | Guinea-Bissau | Japan | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 3 years | 3 years | 0 years | — |
| 1980s | 3 years | 3 years | 0 years | — |
| 1990s | 3 years | 3 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 duration of pre-primary education, Guinea-Bissau or Japan?
- Guinea-Bissau, at 3 years against 3 years in Japan as of 2025.
- What is the difference in duration of pre-primary education between Guinea-Bissau and Japan?
- 0 years, with Guinea-Bissau ahead.
- How many years of comparable data are there for Guinea-Bissau and Japan?
- 56 years are reported by both, from 1970 to 2025.
- How do Guinea-Bissau and Japan rank globally for duration of pre-primary education?
- Guinea-Bissau ranks 27th and Japan 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.