What is the difference in primary education, duration between Least developed countries and Sao Tome and Principe?

0 years, with Least developed countries ahead.

How many years of comparable data are there for Least developed countries and Sao Tome and Principe?

56 years are reported by both, from 1970 to 2025.

Where does this data come from?

Data API, UN Educational, Scientific and Cultural Organization (UNESCO), published as Primary education, duration (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Least developed countries vs Sao Tome and Principe: Primary education, duration

Least developed countries

6 years

in 2025

Sao Tome and Principe

6 years

in 2025

Least developed countries rank

2nd

Sao Tome and Principe rank

25th

Primary education, duration over time

Least developed countries
Sao Tome and Principe

How they compare

Least developed countries currently reports 6 years against 6 years in Sao Tome and Principe, a difference of 0 years.

The two have swapped places 1 time across 56 shared years of data; in 1970 it was Least developed countries ahead.

Least developed countries ranks 2nd and Sao Tome and Principe ranks 25th of 44 groups.

Least developed countries has averaged higher in every one of the 6 decades both report.

Head to head by decade

Decade	Least developed countries	Sao Tome and Principe	Difference	Ahead
1970s	6 years	4 years	2 years	Least developed countries
1980s	6 years	4 years	2 years	Least developed countries
1990s	6 years	4.2 years	1.8 years	Least developed countries
2000s	6 years	6 years	0 years	—
2010s	6 years	6 years	0 years	—
2020s	6 years	6 years	0 years	—

Averages of every year both report within each decade.

Frequently asked questions

Which has higher primary education, duration, Least developed countries or Sao Tome and Principe?: Least developed countries, at 6 years against 6 years in Sao Tome and Principe as of 2025.
What is the difference in primary education, duration between Least developed countries and Sao Tome and Principe?: 0 years, with Least developed countries ahead.
How many years of comparable data are there for Least developed countries and Sao Tome and Principe?: 56 years are reported by both, from 1970 to 2025.
How do Least developed countries and Sao Tome and Principe rank globally for primary education, duration?: Least developed countries ranks 2nd and Sao Tome and Principe ranks 25th of 44 groups.
Where does this data come from?: Data API, UN Educational, Scientific and Cultural Organization (UNESCO), published as Primary education, duration (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Individual pages

Share, cite or embed this page

Cite this page

Least developed countries vs Sao Tome and Principe: Primary education, duration. Statizoid, drawing on Data API, UN Educational, Scientific and Cultural Organization (UNESCO). Retrieved 27 August 2026, from https://education.statizoid.com/compare/primary-education-duration-years/least-developed-countries-un-classification/sao-tome-and-principe/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under CC BY 4.0 (World Bank Open Data); please keep the attribution.

<a href="https://education.statizoid.com/compare/primary-education-duration-years/least-developed-countries-un-classification/sao-tome-and-principe/">Least developed countries vs Sao Tome and Principe: Primary education, duration</a> — Statizoid

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: 20 August 2026

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