Adult literacy rate, population 15+ years, adjusted location parity in Tonga
Tonga: Adult literacy rate, population 15+ years, adjusted location parity was 1 LPIA in 2023. ▲ Rising
Adult literacy rate, population 15+ years, adjusted location parity in Tonga, 1996–2023
Source: UNESCO Institute for Statistics. Measured in LPIA.
Analysis
The most recent figure for adult literacy rate, population 15+ years, adjusted location parity in Tonga is 1 LPIA, measured in 2023. That is the lowest value across all 6 years on record.
The figure is unchanged over ten years.
Over the whole period, adult literacy rate, population 15+ years, adjusted location parity in Tonga peaked at 1.36 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%.
Adult literacy rate, population 15+ years, adjusted location parity 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 | 1.36 LPIA | +28.3% |
| 2023 | 1 LPIA | -26.5% |
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 | 1.14 LPIA | 1 LPIA | 1.36 LPIA | 3 |
| 2020s | 1 LPIA | 1 LPIA | 1 LPIA | 1 |
Countries ranked near Tonga
- 1 Armenia 1 LPIA compare
- 1 Azerbaijan 1 LPIA compare
- 1 Bangladesh 1 LPIA compare
- 1 Georgia 1 LPIA compare
- 1 Uzbekistan 1 LPIA compare
More education data for Tonga
- Theoretical duration of pre-primary education (years), annual growth 0 % change on previous year (2025)
- Start of the academic school year (tertiary education), gaps filled 2,024 tertiary education (2024)
- Theoretical duration of secondary education (years), annual growth 0 % change on previous year (2025)
- Theoretical duration of upper secondary education (years), annual 0 % change on previous year (2025)
- Theoretical duration of lower secondary education (years), annual 0 % change on previous year (2025)
- Start of the academic school year (pre-primary to post-secondary non) 0.0494 % change on previous year (2025)
- Enrolment in primary education, female (number), gaps filled 7,462 (2024)
- Enrolment in primary education, female (number), per capita 0.0716 units per person (2024)
- Enrolment in primary education, female (number), annual growth rate -3.09 % change on previous year (2024)
- Start of the academic school year (tertiary education), annual growth 0.0494 % change on previous year (2024)
Frequently asked questions
- What is adult literacy rate, population 15+ years, adjusted location parity in Tonga?
- Adult literacy rate, population 15+ years, adjusted location parity in Tonga was 1 LPIA in 2023, according to UNESCO Institute for Statistics.
- What is the highest adult literacy rate, population 15+ years, adjusted location parity recorded in Tonga?
- The highest recorded value was 1.36 LPIA in 2019.
- What is the lowest adult literacy rate, population 15+ years, adjusted location parity recorded in Tonga?
- The lowest recorded value was 1 LPIA in 1996.
- How does Tonga rank for adult literacy rate, population 15+ years, adjusted location parity?
- Tonga ranks 1st out of 53 countries with data for 2023.
- Is adult literacy rate, population 15+ years, adjusted location parity 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 Adult literacy rate, population 15+ 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