Literacy rate, adult total in Tonga

Tonga: Literacy rate, adult total was 99.5% in 2023. ▬ Flat

Latest (2023)
99.5%
World rank
7th
of 89 countries
All-time high
99.6%
in 1976
All-time low
91.0%
in 2019
Years of data
7
1976–2023

Literacy rate, adult total in Tonga, 1976–2023

0204060801001976199920231976: 99.6 % of people ages 15 and above1996: 98.9 % of people ages 15 and above2006: 99 % of people ages 15 and above2011: 99.4 % of people ages 15 and above2016: 97.2 % of people ages 15 and above2019: 91 % of people ages 15 and above2023: 99.5 % of people ages 15 and above

Source: Data API, UN Educational, Scientific and Cultural Organization (UNESCO). Measured in % of people ages 15 and above.

Analysis

Tonga recorded 99.5% for literacy rate, adult total in 2023.

Compared with earlier readings it is up 0.1% over ten years.

Over the whole period, literacy rate, adult total in Tonga peaked at 99.6% in 1976 and was at its lowest, 91.0%, in 2019.

Tonga ranks 7th of 89 countries on this measure, in the top 10%.

Literacy rate, adult total in Tonga, year by year

Annual values for Literacy rate, adult total (% of people ages 15 and above) in Tonga, 1976 to 2023.
Year % of people ages 15 and above Change
1976 99.6%
1996 98.9% -0.7%
2006 99.0% +0.1%
2011 99.4% +0.4%
2016 97.2% -2.3%
2019 91.0% -6.3%
2023 99.5% +9.3%

Tonga compared with similar countries

  • Tonga's 99.5% is above the median for upper middle income countries, which is 95.5%, 1.0× the median. (33 countries reporting)
  • Tonga's 99.5% is above the median for East Asia & Pacific, which is 96.1%, 1.0× the median. (16 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
1970s 99.6% 99.6% 99.6% 1
1990s 98.9% 98.9% 98.9% 1
2000s 99.0% 99.0% 99.0% 1
2010s 95.9% 91.0% 99.4% 3
2020s 99.5% 99.5% 99.5% 1

Countries ranked near Tonga

  1. 4 Tajikistan 99.7% compare
  2. 5 Spain 99.7% compare
  3. 6 Georgia 99.7% compare
  4. 8 Serbia 99.3% compare
  5. 9 Uruguay 98.9% compare
  6. 10 United Arab Emirates 98.8% compare

See the full ranking of 128 places →

More education data for Tonga

All data for Tonga →

Frequently asked questions

What is literacy rate, adult total in Tonga?
Literacy rate, adult total in Tonga was 99.5% in 2023, according to Data API, UN Educational, Scientific and Cultural Organization (UNESCO).
What is the highest literacy rate, adult total recorded in Tonga?
The highest recorded value was 99.6% in 1976.
What is the lowest literacy rate, adult total recorded in Tonga?
The lowest recorded value was 91.0% in 2019.
How does Tonga rank for literacy rate, adult total?
Tonga ranks 7th out of 89 countries with data for 2023.
Is literacy rate, adult total rising or falling in Tonga?
Over the last ten years it is up 0.1%. The long-run trend across the full record is flat.
Where does this Tonga data come from?
The figures come from Data API, UN Educational, Scientific and Cultural Organization (UNESCO), published as part of Literacy rate, adult total (% of people ages 15 and above). Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 7 observations, free to reuse under CC BY 4.0 (World Bank Open Data).

Share, cite or embed this page

Cite this page

Literacy rate, adult total in Tonga. Statizoid, drawing on Data API, UN Educational, Scientific and Cultural Organization (UNESCO). Retrieved 15 September 2026, from https://education.statizoid.com/stat/literacy-rate-adult-total-percent-of-people-ages-15-and-above/tonga/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under CC BY 4.0 (World Bank Open Data); please keep the attribution.

<a href="https://education.statizoid.com/stat/literacy-rate-adult-total-percent-of-people-ages-15-and-above/tonga/">Literacy rate, adult total in Tonga</a> — Statizoid

About this data

Indicator
Literacy rate, adult total (% of people ages 15 and above)
Unit
% of people ages 15 and above
Source
Data API, UN Educational, Scientific and Cultural Organization (UNESCO)
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
128 places, 2,592 data points, 1973–2024
Last refreshed

Adult literacy rate is the percentage of people ages 15 and above who can both read and write with understanding a short simple statement about their everyday life.