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

Tonga: School life expectancy, primary and secondary, gender parity index was 1.01 GPI in 2015. ▬ Flat

Latest (2015)
1.01 GPI
Change on year
down 1.6%
World rank
59th
of 193 countries
All-time high
1.12 GPI
in 2009
All-time low
0.8398 GPI
in 2007
Years of data
30
1970–2015

School life expectancy, primary and secondary, gender parity index in Tonga, 1970–2015

00.250.50.7511970199220151970: 0.986 GPI1971: 0.988 GPI1972: 0.975 GPI1973: 0.984 GPI1974: 0.992 GPI1975: 0.993 GPI1978: 0.998 GPI1981: 0.961 GPI1982: 0.969 GPI1984: 1 GPI1985: 1 GPI1986: 1 GPI1990: 0.986 GPI1991: 1 GPI1993: 0.993 GPI1998: 1 GPI1999: 1 GPI2000: 1 GPI2001: 1 GPI2002: 1 GPI2006: 0.981 GPI2007: 0.84 GPI2008: 0.993 GPI2009: 1.1 GPI2010: 1 GPI2011: 0.974 GPI2012: 1 GPI2013: 1 GPI2014: 1 GPI2015: 1 GPI

Source: UNESCO Institute for Statistics. Measured in GPI.

Analysis

In 2015, school life expectancy, primary and secondary, gender parity index in Tonga stood at 1.01 GPI.

The figure is down 1.6% on the previous year and up 3.2% over ten years.

Over the whole period, school life expectancy, primary and secondary, gender parity index in Tonga peaked at 1.12 GPI in 2009 and was at its lowest, 0.8398 GPI, in 2007.

Tonga ranks 59th of 193 countries on this measure, in the middle of the range.

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

Annual values for School life expectancy, primary and secondary, gender parity index (GPI) in Tonga, 1970 to 2015.
Year GPI Change
1970 0.9861 GPI
1971 0.988 GPI +0.2%
1972 0.9747 GPI -1.4%
1973 0.9841 GPI +1.0%
1974 0.9919 GPI +0.8%
1975 0.993 GPI +0.1%
1978 0.9984 GPI +0.6%
1981 0.9605 GPI -3.8%
1982 0.9686 GPI +0.8%
1984 1.01 GPI +4.8%
1985 1.04 GPI +2.1%
1986 1.01 GPI -2.9%
1990 0.9863 GPI -1.9%
1991 1.01 GPI +2.4%
1993 0.9933 GPI -1.7%
1998 1.05 GPI +5.3%
1999 1.04 GPI -0.6%
2000 1.03 GPI -1.2%
2001 1.02 GPI -0.7%
2002 1.03 GPI +0.7%
2006 0.9814 GPI -4.5%
2007 0.8398 GPI -14.4%
2008 0.9932 GPI +18.3%
2009 1.12 GPI +12.8%
2010 1.02 GPI -8.7%
2011 0.9739 GPI -4.7%
2012 1.01 GPI +3.7%
2013 1.01 GPI -0.4%
2014 1.03 GPI +2.3%
2015 1.01 GPI -1.6%

Averages by decade

DecadeAverage LowestHighest Years
1970s 0.988 GPI 0.9747 GPI 0.9984 GPI 7
1980s 0.9971 GPI 0.9605 GPI 1.04 GPI 5
1990s 1.02 GPI 0.9863 GPI 1.05 GPI 5
2000s 1 GPI 0.8398 GPI 1.12 GPI 7
2010s 1.01 GPI 0.9739 GPI 1.03 GPI 6

Countries ranked near Tonga

  1. 56 Hong Kong, China 1.02 GPI compare
  2. 57 Madagascar 1.02 GPI compare
  3. 58 Botswana 1.02 GPI compare
  4. 60 Israel 1.01 GPI compare
  5. 61 Colombia 1.01 GPI compare
  6. 62 Panama 1.01 GPI compare

See the full ranking of 238 places →

More education data for Tonga

All data for Tonga →

Frequently asked questions

What is school life expectancy, primary and secondary, gender parity index in Tonga?
School life expectancy, primary and secondary, gender parity index in Tonga was 1.01 GPI in 2015, according to UNESCO Institute for Statistics.
What is the highest school life expectancy, primary and secondary, gender parity index recorded in Tonga?
The highest recorded value was 1.12 GPI in 2009.
What is the lowest school life expectancy, primary and secondary, gender parity index recorded in Tonga?
The lowest recorded value was 0.8398 GPI in 2007.
How does Tonga rank for school life expectancy, primary and secondary, gender parity index?
Tonga ranks 59th out of 193 countries with data for 2015.
Is school life expectancy, primary and secondary, gender parity index rising or falling in Tonga?
Over the last ten years it is up 3.2%. 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 secondary, gender parity index (GPI). Statizoid updates them automatically from the source API.

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School life expectancy, primary and secondary, gender parity index in Tonga. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 24 August 2026, from https://education.statizoid.com/stat/school-life-expectancy-primary-and-secondary-gender-parity-index-gpi/tonga/

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About this data

Indicator
School life expectancy, primary and secondary, gender parity index (GPI)
Unit
GPI
Source
UNESCO Institute for Statistics
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
238 places, 7,783 data points, 1970–2020
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.