School life expectancy, primary and lower secondary, gender parity in Tonga

Tonga: School life expectancy, primary and lower secondary, gender parity was 0.9962 GPI in 2015. ▬ Flat

Latest (2015)
0.9962 GPI
Change on year
down 1.9%
World rank
86th
of 188 countries
All-time high
1.02 GPI
in 1998
All-time low
0.9647 GPI
in 2006
Years of data
6
1998–2015

School life expectancy, primary and lower secondary, gender parity in Tonga, 1998–2015

00.250.50.7511998200620151998: 1 GPI1999: 1 GPI2001: 1 GPI2006: 0.965 GPI2014: 1 GPI2015: 0.996 GPI

Source: UNESCO Institute for Statistics. Measured in GPI.

Analysis

In 2015, school life expectancy, primary and lower secondary, gender parity in Tonga stood at 0.9962 GPI.

The figure is down 1.9% on the previous year and up 3.3% over ten years.

Over the whole period, school life expectancy, primary and lower secondary, gender parity in Tonga peaked at 1.02 GPI in 1998 and was at its lowest, 0.9647 GPI, in 2006.

That places Tonga 86th out of 188 countries with data for 2015, putting it in the middle of the range.

School life expectancy, primary and lower secondary, gender parity in Tonga, year by year

Annual values for School life expectancy, primary and lower secondary, gender parity index (GPI) in Tonga, 1998 to 2015.
Year GPI Change
1998 1.02 GPI —
1999 1.01 GPI -1.0%
2001 1.01 GPI +0.1%
2006 0.9647 GPI -4.2%
2014 1.02 GPI +5.3%
2015 0.9962 GPI -1.9%

Tonga compared with similar countries

  • Tonga's 0.9962 GPI is above the median for upper middle income countries, which is 0.9918 GPI, 1.0× the median. (55 countries reporting)
  • Tonga's 0.9962 GPI is above the median for East Asia & Pacific, which is 0.995 GPI, 1.0× the median. (28 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
1990s 1.01 GPI 1.01 GPI 1.02 GPI 2
2000s 0.9858 GPI 0.9647 GPI 1.01 GPI 2
2010s 1.01 GPI 0.9962 GPI 1.02 GPI 2

Countries ranked near Tonga

  1. 83 Spain 0.9968 GPI compare
  2. 84 Latvia 0.9966 GPI compare
  3. 85 Austria 0.9963 GPI compare
  4. 87 Switzerland 0.9953 GPI compare
  5. 88 United States 0.9953 GPI compare
  6. 89 Argentina 0.9952 GPI compare

See the full ranking of 233 places →

More reference data data for Tonga

All data for Tonga →

Frequently asked questions

What is school life expectancy, primary and lower secondary, gender parity in Tonga?
School life expectancy, primary and lower secondary, gender parity in Tonga was 0.9962 GPI in 2015, according to UNESCO Institute for Statistics.
What is the highest school life expectancy, primary and lower secondary, gender parity recorded in Tonga?
The highest recorded value was 1.02 GPI in 1998.
What is the lowest school life expectancy, primary and lower secondary, gender parity recorded in Tonga?
The lowest recorded value was 0.9647 GPI in 2006.
How does Tonga rank for school life expectancy, primary and lower secondary, gender parity?
Tonga ranks 86th out of 188 countries with data for 2015.
Is school life expectancy, primary and lower secondary, gender parity rising or falling in Tonga?
Over the last ten years it is up 3.3%. The long-run trend across the full record is flat.
Where does this Tonga data come from?
The figures come from UNESCO Institute for Statistics, published as part of School life expectancy, primary and lower secondary, gender parity index (GPI). Statizoid updates them automatically from the source API.

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School life expectancy, primary and lower secondary, gender parity in Tonga. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 29 September 2026, from https://reference.statizoid.com/stat/school-life-expectancy-primary-and-lower-secondary-gender-parity-index-gpi/tonga/

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About this data

Indicator
School life expectancy, primary and lower secondary, gender parity index (GPI)
Unit
GPI
Source
UNESCO Institute for Statistics
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
233 places, 4,492 data points, 1981–2020
Last refreshed

Ratio of female school life expectancy to the male school life expectancy. It is calculated by dividing the female value for the indicator by the male value for the indicator. A GPI equal to 1 indicates parity between females and males. In general, a value less than 1 indicates disparity in favor of males and a value greater than 1 indicates disparity in favor of females.