What is the difference in theoretical duration of pre-primary education between Central African Republic and Sao Tome and Principe?

0 years, with Central African Republic ahead.

How many years of comparable data are there for Central African Republic and Sao Tome and Principe?

50 years are reported by both, from 1970 to 2019.

Where does this data come from?

UNESCO Institute for Statistics, published as Theoretical duration of pre-primary education (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Central African Republic vs Sao Tome and Principe: Theoretical duration of pre-primary education

Central African Republic

3 years

in 2019

Sao Tome and Principe

3 years

in 2019

Central African Republic rank

21st

Sao Tome and Principe rank

21st

Theoretical duration of pre-primary education over time

Central African Republic
Sao Tome and Principe

How they compare

Central African Republic currently reports 3 years against 3 years in Sao Tome and Principe, a difference of 0 years.

Across all 50 years both countries report, Sao Tome and Principe has been ahead every year.

Central African Republic ranks 21st and Sao Tome and Principe ranks 21st of 210 countries.

Sao Tome and Principe has averaged higher in every one of the 5 decades both report.

Head to head by decade

Decade	Central African Republic	Sao Tome and Principe	Difference	Ahead
1970s	3 years	4 years	1 years	Sao Tome and Principe
1980s	3 years	4 years	1 years	Sao Tome and Principe
1990s	3 years	4 years	1 years	Sao Tome and Principe
2000s	3 years	3.6 years	0.6 years	Sao Tome and Principe
2010s	3 years	3 years	0 years	—

Averages of every year both report within each decade.

Frequently asked questions

Which has higher theoretical duration of pre-primary education, Central African Republic or Sao Tome and Principe?: Central African Republic, at 3 years against 3 years in Sao Tome and Principe as of 2019.
What is the difference in theoretical duration of pre-primary education between Central African Republic and Sao Tome and Principe?: 0 years, with Central African Republic ahead.
How many years of comparable data are there for Central African Republic and Sao Tome and Principe?: 50 years are reported by both, from 1970 to 2019.
How do Central African Republic and Sao Tome and Principe rank globally for theoretical duration of pre-primary education?: Central African Republic ranks 21st and Sao Tome and Principe ranks 21st of 210 countries.
Where does this data come from?: UNESCO Institute for Statistics, published as Theoretical duration of pre-primary education (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Central African Republic vs Sao Tome and Principe: Theoretical duration of pre-primary education. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 07 September 2026, from https://reference.statizoid.com/compare/theoretical-duration-of-pre-primary-education-years/central-african-republic/sao-tome-and-principe/

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<a href="https://reference.statizoid.com/compare/theoretical-duration-of-pre-primary-education-years/central-african-republic/sao-tome-and-principe/">Central African Republic vs Sao Tome and Principe: Theoretical duration of pre-primary education</a> — Statizoid

About this data

Indicator: Theoretical duration of pre-primary education (years)
Unit: years
Source: UNESCO Institute for Statistics
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 210 places, 10,271 data points, 1970–2020
Last refreshed: 04 September 2026

Number of grades (years) in pre-primary education.