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

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.

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

Eritrea

3 years

in 2020

Korea, Democratic People's Republic of

3 years

in 2019

Eritrea rank

81st

Korea, Democratic People's Republic of rank

81st

Theoretical duration of lower secondary education over time

Eritrea
Korea, Democratic People's Republic of

How they compare

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

Across all 50 years both countries report, Korea, Democratic People's Republic of has been ahead every year.

Eritrea ranks 81st and Korea, Democratic People's Republic of 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	Eritrea	Korea, Democratic People's Republic of	Difference	Ahead
1970s	2 years	3 years	1 years	Korea, Democratic People's Republic of
1980s	2 years	3 years	1 years	Korea, Democratic People's Republic of
1990s	2 years	3 years	1 years	Korea, Democratic People's Republic of
2000s	2.6 years	3 years	0.4 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, Eritrea or Korea, Democratic People's Republic of?: Eritrea, at 3 years against 3 years in Korea, Democratic People's Republic of as of 2020.
What is the difference in theoretical duration of lower secondary education between Eritrea and Korea, Democratic People's Republic of?: 0 years, with Eritrea ahead.
How many years of comparable data are there for Eritrea and Korea, Democratic People's Republic of?: 50 years are reported by both, from 1970 to 2019.
How do Eritrea and Korea, Democratic People's Republic of rank globally for theoretical duration of lower secondary education?: Eritrea ranks 81st and Korea, Democratic People's Republic of 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.

Individual pages

Share, cite or embed this page

Cite this page

Eritrea vs Korea, Democratic People's Republic of: Theoretical duration of lower secondary education. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 04 September 2026, from https://education.statizoid.com/compare/theoretical-duration-of-lower-secondary-education-years/eritrea/korea-dem-people-s-rep/

Embed or link this data

Paste this into a page to link back to these figures. The data itself is free to reuse under CC BY 4.0 (World Bank Open Data); please keep the attribution.

<a href="https://education.statizoid.com/compare/theoretical-duration-of-lower-secondary-education-years/eritrea/korea-dem-people-s-rep/">Eritrea vs Korea, Democratic People&#x27;s Republic of: Theoretical duration of lower secondary education</a> — Statizoid

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: 21 August 2026

Number of grades (years) in lower secondary education.