Sao Tome and Principe vs Tonga: Primary school starting age
Sao Tome and Principe
6 years
in 2025
Tonga
6 years
in 2025
Sao Tome and Principe rank
33rd
Tonga rank
33rd
Primary school starting age 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.
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 33rd and Tonga ranks 33rd of 210 countries.
Sao Tome and Principe 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 | 7 years | 6 years | 1 years | Sao Tome and Principe |
| 1980s | 7 years | 5.4 years | 1.6 years | Sao Tome and Principe |
| 1990s | 7 years | 5 years | 2 years | Sao Tome and Principe |
| 2000s | 6.6 years | 5 years | 1.6 years | Sao Tome and Principe |
| 2010s | 6 years | 5.8 years | 0.2 years | Sao Tome and Principe |
| 2020s | 6 years | 6 years | 0 years | — |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher primary school starting age, 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 school starting age 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 school starting age?
- Sao Tome and Principe ranks 33rd and Tonga ranks 33rd of 210 countries.
- Where does this data come from?
- Data API, UN Educational, Scientific and Cultural Organization (UNESCO), published as Primary school starting age (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Primary school starting age is the age at which students would enter primary education, assuming they had started at the official entrance age for the lowest level of education, had studied full-time throughout and had progressed through the system without repeating or skipping a grade.