Completion rate, upper secondary education, both sexes (modelled data) in Tonga
Tonga: Completion rate, upper secondary education, both sexes (modelled data) was 86.2% in 2025. β² Rising
Completion rate, upper secondary education, both sexes (modelled data) in Tonga, 1981β2025
Source: UNESCO Institute for Statistics. Measured in %.
Analysis
The most recent figure for completion rate, upper secondary education, both sexes (modelled data) in Tonga is 86.2%, measured in 2025. That is the highest value across all 45 years on record.
Compared with earlier readings it is up 0.5% on the previous year and up 5.6% over ten years.
Over the whole period, completion rate, upper secondary education, both sexes (modelled data) in Tonga peaked at 86.2% in 2025 and was at its lowest, 62.4%, in 1981.
That places Tonga 48th out of 164 countries with data for 2025, putting it in the middle of the range.
The long-run direction has been consistently rising across the 45 years of available data.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 64.9% | 62.4% | 67.4% | 9 |
| 1990s | 70.7% | 68.1% | 73.1% | 10 |
| 2000s | 76.2% | 73.8% | 78.3% | 10 |
| 2010s | 81.3% | 78.8% | 83.8% | 10 |
| 2020s | 85.2% | 84.2% | 86.2% | 6 |
Countries ranked near Tonga
More education data for Tonga
- Primary education, teachers, gaps filled 818 (2024)
- Duration of pre primary education, annual growth rate 0 % change on previous year (2025)
- Duration of pre primary education 2 (2025)
- Official entrance age to pre primary education 4 (2025)
- Population ages 15-64 58.2% (2025)
- Population ages 0-14 34.9% (2025)
- Lower secondary school starting age 12 years (2025)
- Primary school starting age 6 years (2025)
- School enrollment, primary 108.8% (2024)
- Primary education, teachers, per capita 0.0079 units per person (2024)
Frequently asked questions
- What is completion rate, upper secondary education, both sexes (modelled data) in Tonga?
- Completion rate, upper secondary education, both sexes (modelled data) in Tonga was 86.2% in 2025, according to UNESCO Institute for Statistics.
- What is the highest completion rate, upper secondary education, both sexes (modelled data) recorded in Tonga?
- The highest recorded value was 86.2% in 2025.
- What is the lowest completion rate, upper secondary education, both sexes (modelled data) recorded in Tonga?
- The lowest recorded value was 62.4% in 1981.
- How does Tonga rank for completion rate, upper secondary education, both sexes (modelled data)?
- Tonga ranks 48th out of 164 countries with data for 2025.
- Is completion rate, upper secondary education, both sexes (modelled data) rising or falling in Tonga?
- Over the last ten years it is up 5.6%. The long-run trend across the full record is rising.
- Where does this Tonga data come from?
- The figures come from UNESCO Institute for Statistics, published as part of Completion rate, upper secondary education, both sexes (modelled data) (%). Statizoid updates them automatically from the source API.
Download this data
CSV Β· JSON β 45 observations, free to reuse under CC BY-SA 3.0 IGO (UNESCO Institute for Statistics).
About this data
February 2026 Data Release