Statizoid

Primary education, duration in Sao Tome and Principe

Sao Tome and Principe: Primary education, duration was 6 years in 2025. ▲ Rising

Latest (2025)
6 years
Change on year
unchanged
World rank
25th
of 211 countries
All-time high
6 years
in 1999
All-time low
4 years
in 1970
Years of data
56
1970–2025

Primary education, duration in Sao Tome and Principe, 1970–2025

0246197019972025

Source: Data API, UN Educational, Scientific and Cultural Organization (UNESCO). Measured in years.

Analysis

The most recent figure for primary education, duration in Sao Tome and Principe is 6 years, measured in 2025. That is the highest value across all 56 years on record.

The figure is unchanged over ten years.

Over the whole period, primary education, duration in Sao Tome and Principe peaked at 6 years in 1999 and was at its lowest, 4 years, in 1970.

Sao Tome and Principe ranks 25th of 211 countries on this measure, in the top quarter.

The long-run direction has been consistently rising across the 56 years of available data.

Averages by decade

DecadeAverage LowestHighest Years
1970s 4 years 4 years 4 years 10
1980s 4 years 4 years 4 years 10
1990s 4.2 years 4 years 6 years 10
2000s 6 years 6 years 6 years 10
2010s 6 years 6 years 6 years 10
2020s 6 years 6 years 6 years 6

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See the full ranking of 256 places →

More education data for Sao Tome and Principe

All data for Sao Tome and Principe →

Frequently asked questions

What is primary education, duration in Sao Tome and Principe?
Primary education, duration in Sao Tome and Principe was 6 years in 2025, according to Data API, UN Educational, Scientific and Cultural Organization (UNESCO).
What is the highest primary education, duration recorded in Sao Tome and Principe?
The highest recorded value was 6 years in 1999.
What is the lowest primary education, duration recorded in Sao Tome and Principe?
The lowest recorded value was 4 years in 1970.
How does Sao Tome and Principe rank for primary education, duration?
Sao Tome and Principe ranks 25th out of 211 countries with data for 2025.
Is primary education, duration rising or falling in Sao Tome and Principe?
Over the last ten years it is unchanged. The long-run trend across the full record is rising.
Where does this Sao Tome and Principe data come from?
The figures come from Data API, UN Educational, Scientific and Cultural Organization (UNESCO), published as part of Primary education, duration (years). Statizoid updates them automatically from the source API.

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Primary education, duration in Sao Tome and Principe. Statizoid, drawing on Data API, UN Educational, Scientific and Cultural Organization (UNESCO). Retrieved 20 August 2026, from https://education.statizoid.com/stat/primary-education-duration-years/sao-tome-and-principe/

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About this data

Indicator
Primary education, duration (years)
Unit
years
Source
Data API, UN Educational, Scientific and Cultural Organization (UNESCO)
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
256 places, 14,114 data points, 1970–2025
Last refreshed

Primary duration refers to the number of grades (years) in primary school.