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

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 Sudan?

22 years are reported by both, from 1998 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 Sudan: Theoretical duration of lower secondary education

Korea, Democratic People's Republic of

3 years

in 2019

Sudan

3 years

in 2020

Korea, Democratic People's Republic of rank

81st

Sudan rank

81st

Theoretical duration of lower secondary education over time

Korea, Democratic People's Republic of
Sudan

How they compare

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

Across all 22 years both countries report, Korea, Democratic People's Republic of has been ahead every year.

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

Korea, Democratic People's Republic of has averaged higher in every one of the 3 decades both report.

Head to head by decade

Decade	Korea, Democratic People's Republic of	Sudan	Difference	Ahead
1990s	3 years	2 years	1 years	Korea, Democratic People's Republic of
2000s	3 years	2 years	1 years	Korea, Democratic People's Republic of
2010s	3 years	2 years	1 years	Korea, Democratic People's Republic of

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 Sudan?: Korea, Democratic People's Republic of, at 3 years against 3 years in Sudan as of 2019.
What is the difference in theoretical duration of lower secondary education between Korea, Democratic People's Republic of and Sudan?: 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 Sudan?: 22 years are reported by both, from 1998 to 2019.
How do Korea, Democratic People's Republic of and Sudan rank globally for theoretical duration of lower secondary education?: Korea, Democratic People's Republic of ranks 81st and Sudan 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

Korea, Democratic People's Republic of vs Sudan: 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/sudan/

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/korea-dem-people-s-rep/sudan/">Korea, Democratic People&#x27;s Republic of vs Sudan: 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: 04 September 2026

Number of grades (years) in lower secondary education.