Sao Tome and Principe vs South Africa: Upper secondary completion rate, adjusted gender parity index

Sao Tome and Principe
1.19 index
in 2025
South Africa
1.19 index
in 2025
Sao Tome and Principe rank
31st
South Africa rank
32nd

Upper secondary completion rate, adjusted gender parity index over time

  • Sao Tome and Principe
  • South Africa
0.20.40.60.811.2198120032025

How they compare

Sao Tome and Principe currently reports 1.19 index against 1.19 index in South Africa, a difference of 0 index.

The two have swapped places 1 time across 45 shared years of data; in 1981 it was South Africa ahead.

Sao Tome and Principe ranks 31st and South Africa ranks 32nd of 164 countries.

South Africa has averaged higher in every one of the 5 decades both report.

Head to head by decade

Decade Sao Tome and Principe South Africa Difference Ahead
1980s 0.3041 index 0.8673 index 0.5633 index South Africa
1990s 0.4772 index 0.9647 index 0.4876 index South Africa
2000s 0.6822 index 1.07 index 0.3837 index South Africa
2010s 1.02 index 1.14 index 0.1159 index South Africa
2020s 1.16 index 1.18 index 0.0171 index South Africa

Averages of every year both report within each decade.

Frequently asked questions

Which has higher upper secondary completion rate, adjusted gender parity index, Sao Tome and Principe or South Africa?
Sao Tome and Principe, at 1.19 index against 1.19 index in South Africa as of 2025.
What is the difference in upper secondary completion rate, adjusted gender parity index between Sao Tome and Principe and South Africa?
0 index, with Sao Tome and Principe ahead.
How many years of comparable data are there for Sao Tome and Principe and South Africa?
45 years are reported by both, from 1981 to 2025.
How do Sao Tome and Principe and South Africa rank globally for upper secondary completion rate, adjusted gender parity index?
Sao Tome and Principe ranks 31st and South Africa ranks 32nd of 164 countries.
Where does this data come from?
UNESCO Institute for Statistics (2026) – with minor processing by Our World in Data, published as Upper secondary completion rate, adjusted gender parity index. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Sao Tome and Principe vs South Africa: Upper secondary completion rate, adjusted gender parity index. Statizoid, drawing on UNESCO Institute for Statistics (2026) – with minor processing by Our World in Data. Retrieved 09 September 2026, from https://gender.statizoid.com/compare/upper-secondary-completion-rate-adjusted-gender-parity-index/sao-tome-and-principe/south-africa/

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About this data

Indicator
Upper secondary completion rate, adjusted gender parity index
Unit
index
Source
UNESCO Institute for Statistics (2026) – with minor processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
164 places, 7,240 data points, 1981–2025
Last refreshed

An adjusted gender parity index of 1 indicates equal upper secondary school completion rates between boys and girls. Values below 1 favor boys, and values above 1 favor girls.