Peru vs Sao Tome and Principe: Theoretical duration of lower secondary education
Peru
3 years
in 2025
Sao Tome and Principe
3 years
in 2025
Peru rank
91st
Sao Tome and Principe rank
91st
Theoretical duration of lower secondary education over time
- Peru
- Sao Tome and Principe
How they compare
Peru currently reports 3 years against 3 years in Sao Tome and Principe, a difference of 0 years.
The two have swapped places 2 times across 56 shared years of data; in 1970 it was Sao Tome and Principe ahead.
Peru ranks 91st and Sao Tome and Principe ranks 91st of 221 countries.
Across the 6 decades both report, Peru averaged higher in 1 and Sao Tome and Principe in 3.
Head to head by decade
| Decade | Peru | Sao Tome and Principe | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 2 years | 4 years | 2 years | Sao Tome and Principe |
| 1980s | 2 years | 4.2 years | 2.2 years | Sao Tome and Principe |
| 1990s | 2.2 years | 4.7 years | 2.5 years | Sao Tome and Principe |
| 2000s | 3 years | 2.4 years | 0.6 years | Peru |
| 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 theoretical duration of lower secondary education, Peru or Sao Tome and Principe?
- Peru, at 3 years against 3 years in Sao Tome and Principe as of 2025.
- What is the difference in theoretical duration of lower secondary education between Peru and Sao Tome and Principe?
- 0 years, with Peru ahead.
- How many years of comparable data are there for Peru and Sao Tome and Principe?
- 56 years are reported by both, from 1970 to 2025.
- How do Peru and Sao Tome and Principe rank globally for theoretical duration of lower secondary education?
- Peru ranks 91st and Sao Tome and Principe ranks 91st of 221 countries.
- Where does this data come from?
- UNESCO Institute for Statistics, published as Theoretical duration of lower 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