Sao Tome and Principe vs Tonga: Theoretical duration of pre-primary education (years), annual growth
Sao Tome and Principe
0 % change on previous year
in 2025
Tonga
0 % change on previous year
in 2025
Sao Tome and Principe rank
1st
Tonga rank
1st
Theoretical duration of pre-primary education (years), annual growth over time
- Sao Tome and Principe
- Tonga
How they compare
Sao Tome and Principe currently reports 0 % change on previous year against 0 % change on previous year in Tonga, a difference of 0 % change on previous year.
The two have swapped places 2 times across 55 shared years of data; in 1971 it was Tonga ahead.
Sao Tome and Principe ranks 1st and Tonga ranks 1st of 223 countries.
Across the 6 decades both report, Sao Tome and Principe averaged higher in 1 and Tonga in 1.
Head to head by decade
| Decade | Sao Tome and Principe | Tonga | Difference | Ahead |
|---|---|---|---|---|
| 1970s | 0 % change on previous year | 0 % change on previous year | 0 % change on previous year | — |
| 1980s | 0 % change on previous year | -3.33 % change on previous year | 3.33 % change on previous year | Sao Tome and Principe |
| 1990s | 0 % change on previous year | 0 % change on previous year | 0 % change on previous year | — |
| 2000s | -2.5 % change on previous year | 0 % change on previous year | 2.5 % change on previous year | Tonga |
| 2010s | 0 % change on previous year | 0 % change on previous year | 0 % change on previous year | — |
| 2020s | 0 % change on previous year | 0 % change on previous year | 0 % change on previous year | — |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher theoretical duration of pre-primary education (years), annual growth, Sao Tome and Principe or Tonga?
- Sao Tome and Principe, at 0 % change on previous year against 0 % change on previous year in Tonga as of 2025.
- What is the difference in theoretical duration of pre-primary education (years), annual growth between Sao Tome and Principe and Tonga?
- 0 % change on previous year, with Sao Tome and Principe ahead.
- How many years of comparable data are there for Sao Tome and Principe and Tonga?
- 55 years are reported by both, from 1971 to 2025.
- How do Sao Tome and Principe and Tonga rank globally for theoretical duration of pre-primary education (years), annual growth?
- Sao Tome and Principe ranks 1st and Tonga ranks 1st of 223 countries.
- Where does this data come from?
- Statizoid (derived), published as Theoretical duration of pre-primary education (years), annual growth rate. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
The year-on-year percentage change in Theoretical duration of pre-primary education (years). Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.