Sao Tome and Principe vs Tonga: Primary education, duration
Sao Tome and Principe
6 years
in 2025
Tonga
6 years
in 2025
Sao Tome and Principe rank
25th
Tonga rank
25th
Primary education, duration over time
- Sao Tome and Principe
- Tonga
How they compare
Sao Tome and Principe currently reports 6 years against 6 years in Tonga, a difference of 0 years.
Across all 56 years both countries report, Tonga has been ahead every year.
Sao Tome and Principe ranks 25th and Tonga ranks 25th of 210 countries.
Tonga has averaged higher in every one of the 6 decades both report.
Head to head by decade
| Decade | Sao Tome and Principe | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 4 years | 6 years | 2 years | Tonga |
| 1980s | 4 years | 6 years | 2 years | Tonga |
| 1990s | 4.2 years | 6 years | 1.8 years | Tonga |
| 2000s | 6 years | 6 years | 0 years | — |
| 2010s | 6 years | 6 years | 0 years | — |
| 2020s | 6 years | 6 years | 0 years | — |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher primary education, duration, Sao Tome and Principe or Tonga?
- Sao Tome and Principe, at 6 years against 6 years in Tonga as of 2025.
- What is the difference in primary education, duration between Sao Tome and Principe and Tonga?
- 0 years, with Sao Tome and Principe ahead.
- How many years of comparable data are there for Sao Tome and Principe and Tonga?
- 56 years are reported by both, from 1970 to 2025.
- How do Sao Tome and Principe and Tonga rank globally for primary education, duration?
- Sao Tome and Principe ranks 25th and Tonga ranks 25th of 210 countries.
- Where does this data come from?
- Data API, UN Educational, Scientific and Cultural Organization (UNESCO), published as Primary education, duration (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Primary duration refers to the number of grades (years) in primary school.