How many years of comparable data are there for Congo 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 school starting age (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Congo vs Sao Tome and Principe: Primary school starting age

Congo

6 years

in 2025

Sao Tome and Principe

6 years

in 2025

Congo rank

33rd

Sao Tome and Principe rank

33rd

Primary school starting age over time

Congo
Sao Tome and Principe

How they compare

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

Across all 56 years both countries report, Sao Tome and Principe has been ahead every year.

Congo ranks 33rd and Sao Tome and Principe ranks 33rd of 210 countries.

Sao Tome and Principe has averaged higher in every one of the 6 decades both report.

Head to head by decade

Decade	Congo	Sao Tome and Principe	Difference	Ahead
1970s	6 years	7 years	1 years	Sao Tome and Principe
1980s	6 years	7 years	1 years	Sao Tome and Principe
1990s	6 years	7 years	1 years	Sao Tome and Principe
2000s	6 years	6.6 years	0.6 years	Sao Tome and Principe
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 school starting age, Congo or Sao Tome and Principe?: Congo, at 6 years against 6 years in Sao Tome and Principe as of 2025.
What is the difference in primary school starting age between Congo and Sao Tome and Principe?: 0 years, with Congo ahead.
How many years of comparable data are there for Congo and Sao Tome and Principe?: 56 years are reported by both, from 1970 to 2025.
How do Congo and Sao Tome and Principe rank globally for primary school starting age?: Congo ranks 33rd and Sao Tome and Principe ranks 33rd of 210 countries.
Where does this data come from?: Data API, UN Educational, Scientific and Cultural Organization (UNESCO), published as Primary school starting age (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

Congo vs Sao Tome and Principe: Primary school starting age. Statizoid, drawing on Data API, UN Educational, Scientific and Cultural Organization (UNESCO). Retrieved 23 August 2026, from https://education.statizoid.com/compare/primary-school-starting-age-years/congo-rep/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-school-starting-age-years/congo-rep/sao-tome-and-principe/">Congo vs Sao Tome and Principe: Primary school starting age</a> — Statizoid

About this data

Indicator: Primary school starting age (years)
Unit: years
Source: Data API, UN Educational, Scientific and Cultural Organization (UNESCO)
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 210 places, 11,539 data points, 1970–2025
Last refreshed: 20 August 2026

Primary school starting age is the age at which students would enter primary education, assuming they had started at the official entrance age for the lowest level of education, had studied full-time throughout and had progressed through the system without repeating or skipping a grade.