Denmark vs Puerto Rico: Theoretical duration of pre-primary education

Denmark
3 years
in 2020
Puerto Rico
3 years
in 2019
Denmark rank
21st
Puerto Rico rank
21st

Theoretical duration of pre-primary education over time

  • Denmark
  • Puerto Rico
1234197019952020

How they compare

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

The two have swapped places 2 times across 49 shared years of data; in 1971 it was Puerto Rico ahead.

Denmark ranks 21st and Puerto Rico ranks 21st of 210 countries.

Across the 5 decades both report, Denmark averaged higher in 3 and Puerto Rico in 2.

Head to head by decade

Decade Denmark Puerto Rico Difference Ahead
1970s 1 years 2 years 1 years Puerto Rico
1980s 1 years 2 years 1 years Puerto Rico
1990s 3.1 years 2 years 1.1 years Denmark
2000s 4 years 2 years 2 years Denmark
2010s 3.1 years 2.7 years 0.4 years Denmark

Averages of every year both report within each decade.

Frequently asked questions

Which has higher theoretical duration of pre-primary education, Denmark or Puerto Rico?
Denmark, at 3 years against 3 years in Puerto Rico as of 2020.
What is the difference in theoretical duration of pre-primary education between Denmark and Puerto Rico?
0 years, with Denmark ahead.
How many years of comparable data are there for Denmark and Puerto Rico?
49 years are reported by both, from 1971 to 2019.
How do Denmark and Puerto Rico rank globally for theoretical duration of pre-primary education?
Denmark 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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Denmark vs Puerto Rico: Theoretical duration of pre-primary education. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 19 August 2026, from https://reference.statizoid.com/compare/theoretical-duration-of-pre-primary-education-years/denmark/puerto-rico-us/

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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

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