South Africa vs Tonga: Theoretical duration of upper secondary education (years), annual
South Africa
0 % change on previous year
in 2025
Tonga
0 % change on previous year
in 2025
South Africa rank
1st
Tonga rank
1st
Theoretical duration of upper secondary education (years), annual over time
- South Africa
- Tonga
How they compare
South Africa 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.
South Africa ranks 1st and Tonga ranks 1st of 221 countries.
Across the 6 decades both report, South Africa averaged higher in 1 and Tonga in 2.
Head to head by decade
| Decade | South Africa | 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 | 5 % change on previous year | 5 % change on previous year | Tonga |
| 1990s | 5 % change on previous year | -3.33 % change on previous year | 8.33 % change on previous year | South Africa |
| 2000s | 0 % change on previous year | 0 % change on previous year | 0 % change on previous year | — |
| 2010s | 0 % change on previous year | 0 % change on previous year | 0 % change on previous year | — |
| 2020s | 0 % change on previous year | 8.33 % change on previous year | 8.33 % change on previous year | Tonga |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher theoretical duration of upper secondary education (years), annual, South Africa or Tonga?
- South Africa, 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 upper secondary education (years), annual between South Africa and Tonga?
- 0 % change on previous year, with South Africa ahead.
- How many years of comparable data are there for South Africa and Tonga?
- 55 years are reported by both, from 1971 to 2025.
- How do South Africa and Tonga rank globally for theoretical duration of upper secondary education (years), annual?
- South Africa ranks 1st and Tonga ranks 1st of 221 countries.
- Where does this data come from?
- Statizoid (derived), published as Theoretical duration of upper secondary 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 upper secondary education (years). Computed from consecutive annual observations; years either side of a gap are skipped rather than bridged.