School life expectancy, primary, gender parity index in Tonga

Tonga: School life expectancy, primary, gender parity index was 0.9994 GPI in 2015. ▬ Flat

Latest (2015)
0.9994 GPI
Change on year
up 0.6%
World rank
68th
of 197 countries
All-time high
1.01 GPI
in 1992
All-time low
0.9454 GPI
in 2000
Years of data
42
1970–2015

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

00.250.50.7511970199220151970: 0.983 GPI1971: 0.965 GPI1972: 0.995 GPI1973: 0.965 GPI1974: 0.977 GPI1975: 0.978 GPI1976: 0.972 GPI1977: 0.968 GPI1978: 0.974 GPI1979: 0.97 GPI1981: 0.966 GPI1982: 0.958 GPI1983: 0.961 GPI1984: 0.97 GPI1985: 0.987 GPI1986: 0.974 GPI1990: 0.988 GPI1991: 0.995 GPI1992: 1 GPI1993: 1 GPI1994: 0.982 GPI1995: 0.989 GPI1996: 0.973 GPI1997: 0.955 GPI1998: 0.957 GPI1999: 0.962 GPI2000: 0.945 GPI2001: 0.962 GPI2002: 0.955 GPI2003: 0.947 GPI2004: 0.95 GPI2005: 0.97 GPI2006: 0.963 GPI2007: 0.963 GPI2008: 0.955 GPI2009: 0.984 GPI2010: 0.981 GPI2011: 0.984 GPI2012: 0.989 GPI2013: 0.999 GPI2014: 0.993 GPI2015: 0.999 GPI

Source: UNESCO Institute for Statistics. Measured in GPI.

Analysis

The most recent figure for school life expectancy, primary, gender parity index in Tonga is 0.9994 GPI, measured in 2015.

Compared with earlier readings it is up 0.6% on the previous year and up 3.0% over ten years.

Over the whole period, school life expectancy, primary, gender parity index in Tonga peaked at 1.01 GPI in 1992 and was at its lowest, 0.9454 GPI, in 2000.

That places Tonga 68th out of 197 countries with data for 2015, putting it in the middle of the range.

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

Annual values for School life expectancy, primary, gender parity index (GPI) in Tonga, 1970 to 2015.
Year GPI Change
1970 0.9828 GPI —
1971 0.9653 GPI -1.8%
1972 0.9947 GPI +3.0%
1973 0.965 GPI -3.0%
1974 0.977 GPI +1.2%
1975 0.9776 GPI +0.1%
1976 0.9716 GPI -0.6%
1977 0.968 GPI -0.4%
1978 0.9744 GPI +0.7%
1979 0.9696 GPI -0.5%
1981 0.9661 GPI -0.4%
1982 0.9577 GPI -0.9%
1983 0.9612 GPI +0.4%
1984 0.9697 GPI +0.9%
1985 0.987 GPI +1.8%
1986 0.9739 GPI -1.3%
1990 0.9878 GPI +1.4%
1991 0.9953 GPI +0.8%
1992 1.01 GPI +1.0%
1993 1 GPI -0.2%
1994 0.982 GPI -2.1%
1995 0.9886 GPI +0.7%
1996 0.9725 GPI -1.6%
1997 0.9553 GPI -1.8%
1998 0.9566 GPI +0.1%
1999 0.9623 GPI +0.6%
2000 0.9454 GPI -1.8%
2001 0.9621 GPI +1.8%
2002 0.9551 GPI -0.7%
2003 0.9466 GPI -0.9%
2004 0.9503 GPI +0.4%
2005 0.9702 GPI +2.1%
2006 0.9631 GPI -0.7%
2007 0.963 GPI -0.0%
2008 0.9549 GPI -0.8%
2009 0.9843 GPI +3.1%
2010 0.9808 GPI -0.4%
2011 0.9839 GPI +0.3%
2012 0.9889 GPI +0.5%
2013 0.9992 GPI +1.0%
2014 0.9935 GPI -0.6%
2015 0.9994 GPI +0.6%

Tonga compared with similar countries

  • Tonga's 0.9994 GPI is above the median for upper middle income countries, which is 0.9846 GPI, 1.0× the median. (56 countries reporting)
  • Tonga's 0.9994 GPI is above the median for East Asia & Pacific, which is 0.9784 GPI, 1.0× the median. (31 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
1970s 0.9746 GPI 0.965 GPI 0.9947 GPI 10
1980s 0.9693 GPI 0.9577 GPI 0.987 GPI 6
1990s 0.9809 GPI 0.9553 GPI 1.01 GPI 10
2000s 0.9595 GPI 0.9454 GPI 0.9843 GPI 10
2010s 0.991 GPI 0.9808 GPI 0.9994 GPI 6

Countries ranked near Tonga

  1. 65 Netherlands 0.9995 GPI compare
  2. 66 Estonia 0.9995 GPI compare
  3. 67 Suriname 0.9994 GPI compare
  4. 69 Palestine 0.9993 GPI compare
  5. 70 Lithuania 0.9993 GPI compare
  6. 71 Denmark 0.999 GPI compare

See the full ranking of 197 places →

More reference data data for Tonga

All data for Tonga →

Frequently asked questions

What is school life expectancy, primary, gender parity index in Tonga?
School life expectancy, primary, gender parity index in Tonga was 0.9994 GPI in 2015, according to UNESCO Institute for Statistics.
What is the highest school life expectancy, primary, gender parity index recorded in Tonga?
The highest recorded value was 1.01 GPI in 1992.
What is the lowest school life expectancy, primary, gender parity index recorded in Tonga?
The lowest recorded value was 0.9454 GPI in 2000.
How does Tonga rank for school life expectancy, primary, gender parity index?
Tonga ranks 68th out of 197 countries with data for 2015.
Is school life expectancy, primary, gender parity index rising or falling in Tonga?
Over the last ten years it is up 3.0%. 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, gender parity index (GPI). Statizoid updates them automatically from the source API.

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School life expectancy, primary, gender parity index in Tonga. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 28 September 2026, from https://reference.statizoid.com/stat/school-life-expectancy-primary-gender-parity-index-gpi/tonga/

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About this data

Indicator
School life expectancy, primary, gender parity index (GPI)
Unit
GPI
Source
UNESCO Institute for Statistics
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
197 places, 7,121 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.