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

0 years, with Republic of Korea ahead.

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

55 years are reported by both, from 1971 to 2025.

Where does this data come from?

UNESCO Institute for Statistics (2026) – with minor processing by Our World in Data, published as Duration of pre-primary education. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Republic of Korea vs Puerto Rico: Duration of pre-primary education

Republic of Korea

3 years

in 2025

Puerto Rico

3 years

in 2025

Republic of Korea rank

27th

Puerto Rico rank

27th

Duration of pre-primary education over time

Republic of Korea
Puerto Rico

How they compare

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

The two have swapped places 2 times across 55 shared years of data; in 1971 it was Puerto Rico ahead.

Republic of Korea ranks 27th and Puerto Rico ranks 27th of 223 countries.

Across the 6 decades both report, Republic of Korea averaged higher in 2 and Puerto Rico in 3.

Head to head by decade

Decade	Republic of Korea	Puerto Rico	Difference	Ahead
1970s	1 years	2 years	1 years	Puerto Rico
1980s	1 years	2 years	1 years	Puerto Rico
1990s	1 years	2 years	1 years	Puerto Rico
2000s	2.8 years	2 years	0.8 years	Republic of Korea
2010s	3 years	2.7 years	0.3 years	Republic of Korea
2020s	3 years	3 years	0 years	—

Averages of every year both report within each decade.

Frequently asked questions

Which has higher duration of pre-primary education, Republic of Korea or Puerto Rico?: Republic of Korea, at 3 years against 3 years in Puerto Rico as of 2025.
What is the difference in duration of pre-primary education between Republic of Korea and Puerto Rico?: 0 years, with Republic of Korea ahead.
How many years of comparable data are there for Republic of Korea and Puerto Rico?: 55 years are reported by both, from 1971 to 2025.
How do Republic of Korea and Puerto Rico rank globally for duration of pre-primary education?: Republic of Korea ranks 27th and Puerto Rico ranks 27th of 223 countries.
Where does this data come from?: UNESCO Institute for Statistics (2026) – with minor processing by Our World in Data, published as Duration of pre-primary education. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Republic of Korea vs Puerto Rico: Duration of pre-primary education. Statizoid, drawing on UNESCO Institute for Statistics (2026) – with minor processing by Our World in Data. Retrieved 30 August 2026, from https://education.statizoid.com/compare/duration-of-pre-primary-education/korea-rep/puerto-rico-us/

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<a href="https://education.statizoid.com/compare/duration-of-pre-primary-education/korea-rep/puerto-rico-us/">Republic of Korea vs Puerto Rico: Duration of pre-primary education</a> — Statizoid

About this data

Indicator: Duration of pre-primary education
Unit: years
Source: UNESCO Institute for Statistics (2026) – with minor processing by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 223 places, 12,020 data points, 1970–2025
Last refreshed: 28 August 2026

Average number of years that a child is expected to spend in pre-primary education, defined by country's official educational regulations or laws.