Sao Tome and Principe vs Thailand: Theoretical duration of secondary education
Sao Tome and Principe
6 years
in 2025
Thailand
6 years
in 2025
Sao Tome and Principe rank
99th
Thailand rank
99th
Theoretical duration of secondary education over time
- Sao Tome and Principe
- Thailand
How they compare
Sao Tome and Principe currently reports 6 years against 6 years in Thailand, 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 Thailand ranks 99th of 221 countries.
Across the 6 decades both report, Sao Tome and Principe averaged higher in 3 and Thailand in 2.
Head to head by decade
| Decade | Sao Tome and Principe | Thailand | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 7 years | 5.1 years | 1.9 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 | Thailand |
| 2010s | 5.9 years | 6 years | 0.1 years | Thailand |
| 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 Thailand?
- Sao Tome and Principe, at 6 years against 6 years in Thailand as of 2025.
- What is the difference in theoretical duration of secondary education between Sao Tome and Principe and Thailand?
- 0 years, with Sao Tome and Principe ahead.
- How many years of comparable data are there for Sao Tome and Principe and Thailand?
- 56 years are reported by both, from 1970 to 2025.
- How do Sao Tome and Principe and Thailand rank globally for theoretical duration of secondary education?
- Sao Tome and Principe ranks 99th and Thailand 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