School life expectancy, primary, gender parity index in Sao Tome and Principe

Sao Tome and Principe: School life expectancy, primary, gender parity index was 0.9641 GPI in 2017. ▲ Rising

Latest (2017)
0.9641 GPI
Change on year
up 0.7%
World rank
153rd
of 197 countries
All-time high
0.9984 GPI
in 2009
All-time low
0.8137 GPI
in 1998
Years of data
30
1971–2017

School life expectancy, primary, gender parity index in Sao Tome and Principe, 1971–2017

00.20.40.60.811971199420171971: 0.819 GPI1972: 0.991 GPI1973: 0.831 GPI1977: 0.934 GPI1978: 0.918 GPI1983: 0.981 GPI1984: 0.975 GPI1987: 0.942 GPI1988: 0.95 GPI1990: 0.91 GPI1991: 0.92 GPI1992: 0.977 GPI1996: 0.974 GPI1998: 0.814 GPI1999: 0.962 GPI2002: 0.946 GPI2003: 0.953 GPI2004: 0.961 GPI2005: 0.958 GPI2007: 0.985 GPI2008: 0.971 GPI2009: 0.998 GPI2010: 0.988 GPI2011: 0.967 GPI2012: 0.964 GPI2013: 0.974 GPI2014: 0.959 GPI2015: 0.959 GPI2016: 0.957 GPI2017: 0.964 GPI

Source: UNESCO Institute for Statistics. Measured in GPI.

Analysis

In 2017, school life expectancy, primary, gender parity index in Sao Tome and Principe stood at 0.9641 GPI.

That represents a change of up 0.7% on the previous year and down 2.2% over ten years.

Over the whole period, school life expectancy, primary, gender parity index in Sao Tome and Principe peaked at 0.9984 GPI in 2009 and was at its lowest, 0.8137 GPI, in 1998.

That places Sao Tome and Principe 153rd out of 197 countries with data for 2017, putting it in the bottom quarter.

The long-run direction has been consistently rising across the 30 years of available data.

School life expectancy, primary, gender parity index in Sao Tome and Principe, year by year

Annual values for School life expectancy, primary, gender parity index (GPI) in Sao Tome and Principe, 1971 to 2017.
Year GPI Change
1971 0.8195 GPI
1972 0.9906 GPI +20.9%
1973 0.8305 GPI -16.2%
1977 0.934 GPI +12.5%
1978 0.9178 GPI -1.7%
1983 0.981 GPI +6.9%
1984 0.9754 GPI -0.6%
1987 0.9425 GPI -3.4%
1988 0.9496 GPI +0.8%
1990 0.9097 GPI -4.2%
1991 0.9204 GPI +1.2%
1992 0.9768 GPI +6.1%
1996 0.9739 GPI -0.3%
1998 0.8137 GPI -16.4%
1999 0.9617 GPI +18.2%
2002 0.9464 GPI -1.6%
2003 0.9526 GPI +0.7%
2004 0.9611 GPI +0.9%
2005 0.9579 GPI -0.3%
2007 0.9854 GPI +2.9%
2008 0.9714 GPI -1.4%
2009 0.9984 GPI +2.8%
2010 0.9877 GPI -1.1%
2011 0.967 GPI -2.1%
2012 0.9636 GPI -0.3%
2013 0.9739 GPI +1.1%
2014 0.9589 GPI -1.5%
2015 0.9592 GPI +0.0%
2016 0.9575 GPI -0.2%
2017 0.9641 GPI +0.7%

Averages by decade

DecadeAverage LowestHighest Years
1970s 0.8985 GPI 0.8195 GPI 0.9906 GPI 5
1980s 0.9621 GPI 0.9425 GPI 0.981 GPI 4
1990s 0.926 GPI 0.8137 GPI 0.9768 GPI 6
2000s 0.9676 GPI 0.9464 GPI 0.9984 GPI 7
2010s 0.9665 GPI 0.9575 GPI 0.9877 GPI 8

Countries ranked near Sao Tome and Principe

  1. 150 Gabon 0.9648 GPI compare
  2. 151 Lao People's Democratic Republic 0.9647 GPI compare
  3. 152 Marshall Islands 0.9646 GPI compare
  4. 153 El Salvador 0.9641 GPI compare
  5. 155 Guyana 0.9638 GPI compare
  6. 156 Morocco 0.9633 GPI compare

See the full ranking of 197 places →

More reference data data for Sao Tome and Principe

All data for Sao Tome and Principe →

Frequently asked questions

What is school life expectancy, primary, gender parity index in Sao Tome and Principe?
School life expectancy, primary, gender parity index in Sao Tome and Principe was 0.9641 GPI in 2017, according to UNESCO Institute for Statistics.
What is the highest school life expectancy, primary, gender parity index recorded in Sao Tome and Principe?
The highest recorded value was 0.9984 GPI in 2009.
What is the lowest school life expectancy, primary, gender parity index recorded in Sao Tome and Principe?
The lowest recorded value was 0.8137 GPI in 1998.
How does Sao Tome and Principe rank for school life expectancy, primary, gender parity index?
Sao Tome and Principe ranks 153rd out of 197 countries with data for 2017.
Is school life expectancy, primary, gender parity index rising or falling in Sao Tome and Principe?
Over the last ten years it is down 2.2%. The long-run trend across the full record is rising.
Where does this Sao Tome and Principe 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 Sao Tome and Principe. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 22 August 2026, from https://reference.statizoid.com/stat/school-life-expectancy-primary-gender-parity-index-gpi/sao-tome-and-principe/

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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.