Educational attainment rate, completed lower secondary education or in Tonga
Tonga: Educational attainment rate, completed lower secondary education or was 0.9857 LPIA in 2021. ▲ Rising
Educational attainment rate, completed lower secondary education or in Tonga, 1996–2021
Source: UNESCO Institute for Statistics. Measured in LPIA.
Analysis
In 2021, educational attainment rate, completed lower secondary education or in Tonga stood at 0.9857 LPIA.
Compared with earlier readings it is down 0.9% on the previous year and up 1.8% over ten years.
Over the whole period, educational attainment rate, completed lower secondary education or in Tonga peaked at 0.9949 LPIA in 2018 and was at its lowest, 0.7963 LPIA, in 2006.
That places Tonga 22nd out of 95 countries with data for 2021, putting it in the top quarter.
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 0.8418 LPIA | 0.8418 LPIA | 0.8418 LPIA | 1 |
| 2000s | 0.7963 LPIA | 0.7963 LPIA | 0.7963 LPIA | 1 |
| 2010s | 0.9815 LPIA | 0.9681 LPIA | 0.9949 LPIA | 2 |
| 2020s | 0.9857 LPIA | 0.9857 LPIA | 0.9857 LPIA | 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)
- Primary secondary enrollment completion rates, gaps filled 108.79 (2024)
- School enrollment, primary 108.8% (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 0.9857 LPIA 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 0.9949 LPIA in 2018.
- What is the lowest educational attainment rate, completed lower secondary education or recorded in Tonga?
- The lowest recorded value was 0.7963 LPIA in 2006.
- How does Tonga rank for educational attainment rate, completed lower secondary education or?
- Tonga ranks 22nd out of 95 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 1.8%. 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, female, adjusted location parity index (LPIA). Statizoid updates them automatically from the source API.
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About this data
February 2026 Data Release