Out-of-school rate for adolescents of lower secondary school age in Tonga

Tonga: Out-of-school rate for adolescents of lower secondary school age was 0.3258 modelled data in 2025. ◆ Volatile

Latest (2025)
0.3258 modelled data
Change on year
down 13.1%
World rank
190th
of 205 countries
All-time high
1.99 modelled data
in 2001
All-time low
0.3012 modelled data
in 2018
Years of data
22
2000–2025

Out-of-school rate for adolescents of lower secondary school age in Tonga, 2000–2025

0.511.522000201220252000: 1.9 modelled data2001: 2 modelled data2006: 1.9 modelled data2007: 1.6 modelled data2008: 1.3 modelled data2009: 1.1 modelled data2010: 0.943 modelled data2011: 0.829 modelled data2012: 0.634 modelled data2013: 0.562 modelled data2014: 0.494 modelled data2015: 0.425 modelled data2016: 0.354 modelled data2017: 0.317 modelled data2018: 0.301 modelled data2019: 0.322 modelled data2020: 0.344 modelled data2021: 0.365 modelled data2022: 0.396 modelled data2023: 0.398 modelled data2024: 0.375 modelled data2025: 0.326 modelled data

Source: UNESCO Institute for Statistics. Measured in modelled data.

Analysis

The most recent figure for out-of-school rate for adolescents of lower secondary school age in Tonga is 0.3258 modelled data, measured in 2025.

That represents a change of down 13.1% on the previous year and down 23.3% over ten years.

Over the whole period, out-of-school rate for adolescents of lower secondary school age in Tonga peaked at 1.99 modelled data in 2001 and was at its lowest, 0.3012 modelled data, in 2018.

Tonga ranks 190th of 205 countries on this measure, in the bottom quarter.

The series is highly variable year to year, so single readings are best treated with caution.

Out-of-school rate for adolescents of lower secondary school age in Tonga, year by year

Annual values for Out-of-school rate for adolescents of lower secondary school age, adjusted gender parity index (GPIA) (modelled data) in Tonga, 2000 to 2025.
Year modelled data Change
2000 1.91 modelled data
2001 1.99 modelled data +4.0%
2006 1.86 modelled data -6.4%
2007 1.62 modelled data -12.7%
2008 1.33 modelled data -18.3%
2009 1.11 modelled data -16.4%
2010 0.9429 modelled data -14.9%
2011 0.8286 modelled data -12.1%
2012 0.6341 modelled data -23.5%
2013 0.5625 modelled data -11.3%
2014 0.4937 modelled data -12.2%
2015 0.425 modelled data -13.9%
2016 0.3537 modelled data -16.8%
2017 0.3171 modelled data -10.3%
2018 0.3012 modelled data -5.0%
2019 0.3222 modelled data +7.0%
2020 0.3438 modelled data +6.7%
2021 0.3646 modelled data +6.1%
2022 0.3956 modelled data +8.5%
2023 0.3977 modelled data +0.5%
2024 0.375 modelled data -5.7%
2025 0.3258 modelled data -13.1%

Averages by decade

DecadeAverage LowestHighest Years
2000s 1.64 modelled data 1.11 modelled data 1.99 modelled data 6
2010s 0.5181 modelled data 0.3012 modelled data 0.9429 modelled data 10
2020s 0.3671 modelled data 0.3258 modelled data 0.3977 modelled data 6

Countries ranked near Tonga

  1. 187 Aruba 0.3333 modelled data compare
  2. 187 Australia 0.3333 modelled data compare
  3. 189 Saint Lucia 0.3299 modelled data compare
  4. 191 Montserrat 0.2738 modelled data compare
  5. 192 Seychelles 0.2727 modelled data compare
  6. 193 Bhutan 0.2697 modelled data compare

See the full ranking of 205 places →

More education data for Tonga

All data for Tonga →

Frequently asked questions

What is out-of-school rate for adolescents of lower secondary school age in Tonga?
Out-of-school rate for adolescents of lower secondary school age in Tonga was 0.3258 modelled data in 2025, according to UNESCO Institute for Statistics.
What is the highest out-of-school rate for adolescents of lower secondary school age recorded in Tonga?
The highest recorded value was 1.99 modelled data in 2001.
What is the lowest out-of-school rate for adolescents of lower secondary school age recorded in Tonga?
The lowest recorded value was 0.3012 modelled data in 2018.
How does Tonga rank for out-of-school rate for adolescents of lower secondary school age?
Tonga ranks 190th out of 205 countries with data for 2025.
Is out-of-school rate for adolescents of lower secondary school age rising or falling in Tonga?
Over the last ten years it is down 23.3%. The long-run trend across the full record is volatile.
Where does this Tonga data come from?
The figures come from UNESCO Institute for Statistics, published as part of Out-of-school rate for adolescents of lower secondary school age, adjusted gender parity index (GPIA) (modelled data). Statizoid updates them automatically from the source API.

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Out-of-school rate for adolescents of lower secondary school age in Tonga. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 12 September 2026, from https://education.statizoid.com/stat/out-of-school-rate-for-adolescents-of-lower-secondary-school-age-adjusted-gender-parity-3/tonga/

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About this data

Indicator
Out-of-school rate for adolescents of lower secondary school age, adjusted gender parity index (GPIA) (modelled data)
Unit
modelled data
Source
UNESCO Institute for Statistics
Licence
CC BY-SA 3.0 IGO (UNESCO Institute for Statistics)
Coverage
205 places, 5,249 data points, 2000–2025
Last refreshed

February 2026 Data Release