What is the difference in theoretical duration of pre-primary education between Central African Republic and Puerto Rico?

0 years, with Central African Republic ahead.

How many years of comparable data are there for Central African Republic and Puerto Rico?

49 years are reported by both, from 1971 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 Puerto Rico: Theoretical duration of pre-primary education

Central African Republic

3 years

in 2019

Puerto Rico

3 years

in 2019

Central African Republic rank

21st

Puerto Rico rank

21st

Theoretical duration of pre-primary education over time

Central African Republic
Puerto Rico

How they compare

Central African Republic currently reports 3 years against 3 years in Puerto Rico, a difference of 0 years.

The two have swapped places 1 time across 49 shared years of data; in 1971 it was Central African Republic ahead.

Central African Republic ranks 21st and Puerto Rico ranks 21st of 210 countries.

Central African Republic has averaged higher in every one of the 5 decades both report.

Head to head by decade

Decade	Central African Republic	Puerto Rico	Difference	Ahead
1970s	3 years	2 years	1 years	Central African Republic
1980s	3 years	2 years	1 years	Central African Republic
1990s	3 years	2 years	1 years	Central African Republic
2000s	3 years	2 years	1 years	Central African Republic
2010s	3 years	2.7 years	0.3 years	Central African Republic

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 Puerto Rico?: Central African Republic, at 3 years against 3 years in Puerto Rico as of 2019.
What is the difference in theoretical duration of pre-primary education between Central African Republic and Puerto Rico?: 0 years, with Central African Republic ahead.
How many years of comparable data are there for Central African Republic and Puerto Rico?: 49 years are reported by both, from 1971 to 2019.
How do Central African Republic and Puerto Rico rank globally for theoretical duration of pre-primary education?: Central African Republic ranks 21st and Puerto Rico 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 Puerto Rico: Theoretical duration of pre-primary education. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 01 September 2026, from https://reference.statizoid.com/compare/theoretical-duration-of-pre-primary-education-years/central-african-republic/puerto-rico-us/

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<a href="https://reference.statizoid.com/compare/theoretical-duration-of-pre-primary-education-years/central-african-republic/puerto-rico-us/">Central African Republic vs Puerto Rico: 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: 21 August 2026

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