Sao Tome and Principe vs United States of America: Theoretical duration of secondary education
Sao Tome and Principe
6 years
in 2025
United States of America
6 years
in 2025
Sao Tome and Principe rank
99th
United States of America rank
99th
Theoretical duration of secondary education over time
- Sao Tome and Principe
- United States of America
How they compare
Sao Tome and Principe currently reports 6 years against 6 years in United States of America, a difference of 0 years.
The two have swapped places 1 time across 56 shared years of data; in 1970 it was Sao Tome and Principe ahead.
Sao Tome and Principe ranks 99th and United States of America ranks 99th of 221 countries.
Across the 6 decades both report, Sao Tome and Principe averaged higher in 3 and United States of America in 2.
Head to head by decade
| Decade | Sao Tome and Principe | United States of America | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 7 years | 6 years | 1 years | Sao Tome and Principe |
| 1980s | 7 years | 6 years | 1 years | Sao Tome and Principe |
| 1990s | 6.8 years | 6 years | 0.8 years | Sao Tome and Principe |
| 2000s | 5 years | 6 years | 1 years | United States of America |
| 2010s | 5.9 years | 6 years | 0.1 years | United States of America |
| 2020s | 6 years | 6 years | 0 years | — |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher theoretical duration of secondary education, Sao Tome and Principe or United States of America?
- Sao Tome and Principe, at 6 years against 6 years in United States of America as of 2025.
- What is the difference in theoretical duration of secondary education between Sao Tome and Principe and United States of America?
- 0 years, with Sao Tome and Principe ahead.
- How many years of comparable data are there for Sao Tome and Principe and United States of America?
- 56 years are reported by both, from 1970 to 2025.
- How do Sao Tome and Principe and United States of America rank globally for theoretical duration of secondary education?
- Sao Tome and Principe ranks 99th and United States of America ranks 99th of 221 countries.
- Where does this data come from?
- UNESCO Institute for Statistics, published as Theoretical duration of 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