Literacy rate, population 25-64 years … rate location LPIA adjusted in Tonga
Tonga: Literacy rate, population 25-64 years … rate location LPIA adjusted 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 … rate location LPIA adjusted 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% |
Tonga compared with similar countries
- Tonga's 1 LPIA is above the median for upper middle income countries, which is 0.965 LPIA, 1.0× the median. (24 countries reporting)
- Tonga's 1 LPIA is above the median for East Asia & Pacific, which is 0.97 LPIA, 1.0× the median. (7 countries reporting)
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
- Gender gap education levels, gaps filled 87.87 (1999)
- Primary enrollment selected countries, gaps filled 98.13 (2023)
- Teachers in secondary education, both sexes (number), gaps filled 1,086 (2015)
- Repeaters in primary education, all grades, both sexes (number), gaps 20 (2024)
- Enrolment in pre-primary education, male (number), gaps filled 1,228 (2024)
- Enrolment in pre-primary education, female (number), gaps filled 1,164 (2024)
- Secondary education, pupils, gaps filled 16,132 (2024)
- Primary education, duration (years), annual growth rate 0 % change on previous year (2025)
- Primary education, pupils, gaps filled 15,644 (2024)
- Primary education, pupils, annual growth rate -2.92 % change on previous year (2024)
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.
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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