What is the difference in theoretical duration of lower secondary education between Korea, Democratic People's Republic of and Poland?

0 years, with Korea, Democratic People's Republic of ahead.

How many years of comparable data are there for Korea, Democratic People's Republic of and Poland?

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 lower secondary education (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Korea, Democratic People's Republic of vs Poland: Theoretical duration of lower secondary education

Korea, Democratic People's Republic of

3 years

in 2019

Poland

3 years

in 2020

Korea, Democratic People's Republic of rank

81st

Poland rank

81st

Theoretical duration of lower secondary education over time

Korea, Democratic People's Republic of
Poland

How they compare

Korea, Democratic People's Republic of currently reports 3 years against 3 years in Poland, a difference of 0 years.

The two have swapped places 6 times across 50 shared years of data; in 1970 it was Poland ahead.

Korea, Democratic People's Republic of ranks 81st and Poland ranks 81st of 209 countries.

Korea, Democratic People's Republic of has averaged higher in every one of the 5 decades both report.

Head to head by decade

Decade	Korea, Democratic People's Republic of	Poland	Difference	Ahead
1970s	3 years	2.2 years	0.8 years	Korea, Democratic People's Republic of
1980s	3 years	2.1 years	0.9 years	Korea, Democratic People's Republic of
1990s	3 years	2 years	1 years	Korea, Democratic People's Republic of
2000s	3 years	2.8 years	0.2 years	Korea, Democratic People's Republic of
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 lower secondary education, Korea, Democratic People's Republic of or Poland?: Korea, Democratic People's Republic of, at 3 years against 3 years in Poland as of 2019.
What is the difference in theoretical duration of lower secondary education between Korea, Democratic People's Republic of and Poland?: 0 years, with Korea, Democratic People's Republic of ahead.
How many years of comparable data are there for Korea, Democratic People's Republic of and Poland?: 50 years are reported by both, from 1970 to 2019.
How do Korea, Democratic People's Republic of and Poland rank globally for theoretical duration of lower secondary education?: Korea, Democratic People's Republic of ranks 81st and Poland ranks 81st of 209 countries.
Where does this data come from?: UNESCO Institute for Statistics, published as Theoretical duration of lower secondary education (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Korea, Democratic People's Republic of vs Poland: Theoretical duration of lower secondary education. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 06 September 2026, from https://education.statizoid.com/compare/theoretical-duration-of-lower-secondary-education-years/korea-dem-people-s-rep/poland/

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About this data

Indicator: Theoretical duration of lower secondary education (years)
Unit: years
Source: UNESCO Institute for Statistics
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 209 places, 10,366 data points, 1970–2020
Last refreshed: 04 September 2026

Number of grades (years) in lower secondary education.