Sao Tome and Principe vs Ukraine: Duration of pre-primary education
Sao Tome and Principe
3 years
in 2025
Ukraine
3 years
in 2025
Sao Tome and Principe rank
27th
Ukraine rank
27th
Duration of pre-primary education over time
- Sao Tome and Principe
- Ukraine
How they compare
Sao Tome and Principe currently reports 3 years against 3 years in Ukraine, a difference of 0 years.
The two have swapped places 2 times across 56 shared years of data; in 1970 it was Ukraine ahead.
Sao Tome and Principe ranks 27th and Ukraine ranks 27th of 223 countries.
Sao Tome and Principe has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | Sao Tome and Principe | Ukraine | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 4 years | 4 years | 0 years | — |
| 1980s | 4 years | 4 years | 0 years | — |
| 1990s | 4 years | 4 years | 0 years | — |
| 2000s | 3.6 years | 3.3 years | 0.3 years | Sao Tome and Principe |
| 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, Sao Tome and Principe or Ukraine?
- Sao Tome and Principe, at 3 years against 3 years in Ukraine as of 2025.
- What is the difference in duration of pre-primary education between Sao Tome and Principe and Ukraine?
- 0 years, with Sao Tome and Principe ahead.
- How many years of comparable data are there for Sao Tome and Principe and Ukraine?
- 56 years are reported by both, from 1970 to 2025.
- How do Sao Tome and Principe and Ukraine rank globally for duration of pre-primary education?
- Sao Tome and Principe ranks 27th and Ukraine 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.