American Samoa vs Sao Tome and Principe: Duration of pre-primary education
American Samoa
3 years
in 2025
Sao Tome and Principe
3 years
in 2025
American Samoa rank
27th
Sao Tome and Principe rank
27th
Duration of pre-primary education over time
- American Samoa
- Sao Tome and Principe
How they compare
American Samoa currently reports 3 years against 3 years in Sao Tome and Principe, a difference of 0 years.
Across all 28 years both countries report, Sao Tome and Principe has been ahead every year.
American Samoa ranks 27th and Sao Tome and Principe ranks 27th of 223 countries.
Sao Tome and Principe has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | American Samoa | Sao Tome and Principe | Difference | Ahead |
|---|---|---|---|---|
| 1980s | 3 years | 4 years | 1 years | Sao Tome and Principe |
| 1990s | 3 years | 4 years | 1 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, American Samoa or Sao Tome and Principe?
- American Samoa, at 3 years against 3 years in Sao Tome and Principe as of 2025.
- What is the difference in duration of pre-primary education between American Samoa and Sao Tome and Principe?
- 0 years, with American Samoa ahead.
- How many years of comparable data are there for American Samoa and Sao Tome and Principe?
- 28 years are reported by both, from 1981 to 2025.
- How do American Samoa and Sao Tome and Principe rank globally for duration of pre-primary education?
- American Samoa ranks 27th and Sao Tome and Principe 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.