Republic of Korea vs Sao Tome and Principe: Theoretical duration of lower secondary education
Republic of Korea
3 years
in 2025
Sao Tome and Principe
3 years
in 2025
Republic of Korea rank
91st
Sao Tome and Principe rank
91st
Theoretical duration of lower secondary education over time
- Republic of Korea
- Sao Tome and Principe
How they compare
Republic of Korea 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.
Republic of Korea ranks 91st and Sao Tome and Principe ranks 91st of 221 countries.
Across the 6 decades both report, Republic of Korea averaged higher in 1 and Sao Tome and Principe in 3.
Head to head by decade
| Decade | Republic of Korea | Sao Tome and Principe | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 3 years | 4 years | 1 years | Sao Tome and Principe |
| 1980s | 3 years | 4.2 years | 1.2 years | Sao Tome and Principe |
| 1990s | 3 years | 4.7 years | 1.7 years | Sao Tome and Principe |
| 2000s | 3 years | 2.4 years | 0.6 years | Republic of Korea |
| 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, Republic of Korea or Sao Tome and Principe?
- Republic of Korea, 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 Republic of Korea and Sao Tome and Principe?
- 0 years, with Republic of Korea ahead.
- How many years of comparable data are there for Republic of Korea and Sao Tome and Principe?
- 56 years are reported by both, from 1970 to 2025.
- How do Republic of Korea and Sao Tome and Principe rank globally for theoretical duration of lower secondary education?
- Republic of Korea 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