Adult literacy rate, population 15+ years, urban, both sexes in Tonga

Tonga: Adult literacy rate, population 15+ years, urban, both sexes was 99.5% in 2023. ▼ Falling

Latest (2023)
99.5%
World rank
6th
of 57 countries
All-time high
99.5%
in 2023
All-time low
63.9%
in 2019
Years of data
6
1996–2023

Adult literacy rate, population 15+ years, urban, both sexes in Tonga, 1996–2023

0204060801001996200920231996: 99.1 %2006: 98.6 %2011: 99.4 %2016: 93 %2019: 63.9 %2023: 99.5 %

Source: UNESCO Institute for Statistics. Measured in %.

Analysis

In 2023, adult literacy rate, population 15+ years, urban, both sexes in Tonga stood at 99.5%. That is the highest value across all 6 years on record.

That represents a change of up 0.1% over ten years.

Over the whole period, adult literacy rate, population 15+ years, urban, both sexes in Tonga peaked at 99.5% in 2023 and was at its lowest, 63.9%, in 2019.

Tonga ranks 6th of 57 countries on this measure, in the top 10%.

Adult literacy rate, population 15+ years, urban, both sexes in Tonga, year by year

Annual values for Adult literacy rate, population 15+ years, urban, both sexes (%) in Tonga, 1996 to 2023.
Year % Change
1996 99.1%
2006 98.6% -0.5%
2011 99.4% +0.8%
2016 93.0% -6.4%
2019 63.9% -31.3%
2023 99.5% +55.6%

Tonga compared with similar countries

  • Tonga's 99.5% is above the median for upper middle income countries, which is 96.5%, 1.0× the median. (25 countries reporting)
  • Tonga's 99.5% is above the median for East Asia & Pacific, which is 97.7%, 1.0× the median. (8 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
1990s 99.1% 99.1% 99.1% 1
2000s 98.6% 98.6% 98.6% 1
2010s 85.5% 63.9% 99.4% 3
2020s 99.5% 99.5% 99.5% 1

Countries ranked near Tonga

  1. 3 Armenia 99.9% compare
  2. 4 Azerbaijan 99.9% compare
  3. 5 Serbia 99.6% compare
  4. 7 Philippines 99.2% compare
  5. 8 Argentina 99.1% compare
  6. 9 Mongolia 99.0% compare

See the full ranking of 57 places →

More education data for Tonga

All data for Tonga →

Frequently asked questions

What is adult literacy rate, population 15+ years, urban, both sexes in Tonga?
Adult literacy rate, population 15+ years, urban, both sexes in Tonga was 99.5% in 2023, according to UNESCO Institute for Statistics.
What is the highest adult literacy rate, population 15+ years, urban, both sexes recorded in Tonga?
The highest recorded value was 99.5% in 2023.
What is the lowest adult literacy rate, population 15+ years, urban, both sexes recorded in Tonga?
The lowest recorded value was 63.9% in 2019.
How does Tonga rank for adult literacy rate, population 15+ years, urban, both sexes?
Tonga ranks 6th out of 57 countries with data for 2023.
Is adult literacy rate, population 15+ years, urban, both sexes rising or falling in Tonga?
Over the last ten years it is up 0.1%. The long-run trend across the full record is falling.
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, urban, both sexes (%). Statizoid updates them automatically from the source API.

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Adult literacy rate, population 15+ years, urban, both sexes in Tonga. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 14 September 2026, from https://education.statizoid.com/stat/adult-literacy-rate-population-15-years-urban-both-sexes-percent-2/tonga/

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About this data

Indicator
Adult literacy rate, population 15+ years, urban, both sexes (%)
Unit
%
Source
UNESCO Institute for Statistics
Licence
CC BY-SA 3.0 IGO (UNESCO Institute for Statistics)
Coverage
57 places, 555 data points, 1976–2024
Last refreshed

February 2026 Data Release