Literacy rate, population 25-64 years, adjusted location parity index in Tonga
Tonga: Literacy rate, population 25-64 years, adjusted location parity index was 1 LPIA in 2023. ▲ Rising
Literacy rate, population 25-64 years, adjusted location parity index in Tonga, 1996–2023
Source: UNESCO Institute for Statistics. Measured in LPIA.
Analysis
Tonga recorded 1 LPIA for literacy rate, population 25-64 years, adjusted location parity index in 2023. That is the lowest value across all 6 years on record.
The figure is unchanged over ten years.
Over the whole period, literacy rate, population 25-64 years, adjusted location parity index in Tonga peaked at 1.33 LPIA in 2019 and was at its lowest, 1 LPIA, in 1996.
Tonga ranks 1st of 53 countries on this measure, in the top 10%.
Literacy rate, population 25-64 years, adjusted location parity index in Tonga, year by year
| Year | LPIA | Change |
|---|---|---|
| 1996 | 1 LPIA | — |
| 2006 | 1.01 LPIA | +1.0% |
| 2011 | 1 LPIA | -1.0% |
| 2016 | 1.06 LPIA | +6.0% |
| 2019 | 1.33 LPIA | +25.5% |
| 2023 | 1 LPIA | -24.8% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1990s | 1 LPIA | 1 LPIA | 1 LPIA | 1 |
| 2000s | 1.01 LPIA | 1.01 LPIA | 1.01 LPIA | 1 |
| 2010s | 1.13 LPIA | 1 LPIA | 1.33 LPIA | 3 |
| 2020s | 1 LPIA | 1 LPIA | 1 LPIA | 1 |
Countries ranked near Tonga
More education data for Tonga
- Start of the academic school year (tertiary education), gaps filled 2,024 tertiary education (2024)
- Start of the academic school year (tertiary education), annual growth 0.0494 % change on previous year (2024)
- 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)
Frequently asked questions
- What is literacy rate, population 25-64 years, adjusted location parity index in Tonga?
- Literacy rate, population 25-64 years, adjusted location parity index in Tonga was 1 LPIA in 2023, according to UNESCO Institute for Statistics.
- What is the highest literacy rate, population 25-64 years, adjusted location parity index recorded in Tonga?
- The highest recorded value was 1.33 LPIA in 2019.
- What is the lowest literacy rate, population 25-64 years, adjusted location parity index recorded in Tonga?
- The lowest recorded value was 1 LPIA in 1996.
- How does Tonga rank for literacy rate, population 25-64 years, adjusted location parity index?
- Tonga ranks 1st out of 53 countries with data for 2023.
- Is literacy rate, population 25-64 years, adjusted location parity index rising or falling in Tonga?
- Over the last ten years it is unchanged. 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 Literacy rate, population 25-64 years, adjusted location parity index (LPIA). Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 6 observations, free to reuse under CC BY-SA 3.0 IGO (UNESCO Institute for Statistics).
About this data
February 2026 Data Release