Educational attainment rate, completed lower secondary education or in Tonga
Tonga: Educational attainment rate, completed lower secondary education or was 94.2% in 2021. β² Rising
Educational attainment rate, completed lower secondary education or in Tonga, 1986β2021
Source: UNESCO Institute for Statistics. Measured in %.
Analysis
In 2021, educational attainment rate, completed lower secondary education or in Tonga stood at 94.2%. That is the highest value across all 6 years on record.
That represents a change of up 0.8% on the previous year and up 7.0% over ten years.
Over the whole period, educational attainment rate, completed lower secondary education or in Tonga peaked at 94.2% in 2021 and was at its lowest, 54.9%, in 1986.
Tonga ranks 28th of 134 countries on this measure, in the top quarter.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1980s | 54.9% | 54.9% | 54.9% | 1 |
| 1990s | 74.1% | 74.1% | 74.1% | 1 |
| 2000s | 69.6% | 69.6% | 69.6% | 1 |
| 2010s | 90.7% | 88.0% | 93.5% | 2 |
| 2020s | 94.2% | 94.2% | 94.2% | 1 |
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 educational attainment rate, completed lower secondary education or in Tonga?
- Educational attainment rate, completed lower secondary education or in Tonga was 94.2% in 2021, according to UNESCO Institute for Statistics.
- What is the highest educational attainment rate, completed lower secondary education or recorded in Tonga?
- The highest recorded value was 94.2% in 2021.
- What is the lowest educational attainment rate, completed lower secondary education or recorded in Tonga?
- The lowest recorded value was 54.9% in 1986.
- How does Tonga rank for educational attainment rate, completed lower secondary education or?
- Tonga ranks 28th out of 134 countries with data for 2021.
- Is educational attainment rate, completed lower secondary education or rising or falling in Tonga?
- Over the last ten years it is up 7.0%. 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 Educational attainment rate, completed lower secondary education or higher, population 25+ years, both sexes (%). Statizoid updates them automatically from the source API.
Download this data
CSV Β· JSON β 6 observations, free to reuse under CC BY-SA 3.0 IGO (UNESCO Institute for Statistics).
About this data
February 2026 Data Release