Statizoid

Secondary education, duration in South Korea

South Korea: Secondary education, duration was 6 years in 2025. ▬ Flat

Latest (2025)
6 years
Change on year
unchanged
World rank
91st
of 209 countries
All-time high
6 years
in 1970
All-time low
6 years
in 1970
Years of data
56
1970–2025

Secondary education, duration in South Korea, 1970–2025

0246197019972025

Source: Data API, UN Educational, Scientific and Cultural Organization (UNESCO). Measured in years.

Analysis

In 2025, secondary education, duration in South Korea stood at 6 years. That is the highest value across all 56 years on record.

That represents a change of unchanged over ten years.

Over the whole period, secondary education, duration in South Korea peaked at 6 years in 1970 and was at its lowest, 6 years, in 1970.

That places South Korea 91st out of 209 countries with data for 2025, putting it in the middle of the range.

Averages by decade

DecadeAverage LowestHighest Years
1970s 6 years 6 years 6 years 10
1980s 6 years 6 years 6 years 10
1990s 6 years 6 years 6 years 10
2000s 6 years 6 years 6 years 10
2010s 6 years 6 years 6 years 10
2020s 6 years 6 years 6 years 6

Countries ranked near South Korea

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See the full ranking of 255 places →

More education data for South Korea

All data for South Korea →

Frequently asked questions

What is secondary education, duration in South Korea?
Secondary education, duration in South Korea was 6 years in 2025, according to Data API, UN Educational, Scientific and Cultural Organization (UNESCO).
What is the highest secondary education, duration recorded in South Korea?
The highest recorded value was 6 years in 1970.
What is the lowest secondary education, duration recorded in South Korea?
The lowest recorded value was 6 years in 1970.
How does South Korea rank for secondary education, duration?
South Korea ranks 91st out of 209 countries with data for 2025.
Is secondary education, duration rising or falling in South Korea?
Over the last ten years it is unchanged. The long-run trend across the full record is flat.
Where does this South Korea data come from?
The figures come from Data API, UN Educational, Scientific and Cultural Organization (UNESCO), published as part of Secondary education, duration (years). Statizoid updates them automatically from the source API.

Download this data

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About this data

Indicator
Secondary education, duration (years)
Unit
years
Source
Data API, UN Educational, Scientific and Cultural Organization (UNESCO)
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
255 places, 13,986 data points, 1970–2025
Last refreshed

Secondary duration refers to the number of grades (years) in secondary school.