What is secondary education, duration in Low & middle income?

Secondary education, duration in Low & middle income 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 Low & middle income?

The highest recorded value was 7 years in 1976.

What is the lowest secondary education, duration recorded in Low & middle income?

The lowest recorded value was 6 years in 1970.

Is secondary education, duration rising or falling in Low & middle income?

Over the last ten years it is unchanged. The long-run trend across the full record is flat.

Where does this Low & middle income 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.

Secondary education, duration in Low & middle income

Name: Secondary education, duration in Low & middle income
Creator: Data API, UN Educational, Scientific and Cultural Organization (UNESCO)
License: CC BY 4.0 (World Bank Open Data)

Low & middle income: Secondary education, duration was 6 years in 2025. ▬ Flat

Latest (2025)

6 years

Change on year

unchanged

All-time high

7 years

in 1976

All-time low

6 years

in 1970

Years of data

1970–2025

Secondary education, duration in Low & middle income, 1970–2025

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

Analysis

Low & middle income recorded 6 years for secondary education, duration in 2025. That is the lowest value across all 56 years on record.

The figure is unchanged over ten years.

Over the whole period, secondary education, duration in Low & middle income peaked at 7 years in 1976 and was at its lowest, 6 years, in 1970.

Averages by decade

Decade	Average	Lowest	Highest	Years
1970s	6.1 years	6 years	7 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

More education data for Low & middle income

Population ages 15-64 65.3% (2025)
Population ages 0-14 26.3% (2025)
School enrollment, primary 102.3% (2024)
Primary education, teachers 27.98 million (2024)
School enrollment, primary, female 101.6% (2024)
School enrollment, primary, male 103.0% (2024)
Labor force, female 39.0% (2025)
Labor force, total 3.00 billion (2025)
School enrollment, primary (gross), gender parity index 0.9807 GPI (2020)
School enrollment, secondary 73.9% (2024)

All data for Low & middle income →

Frequently asked questions

What is secondary education, duration in Low & middle income?: Secondary education, duration in Low & middle income 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 Low & middle income?: The highest recorded value was 7 years in 1976.
What is the lowest secondary education, duration recorded in Low & middle income?: The lowest recorded value was 6 years in 1970.
Is secondary education, duration rising or falling in Low & middle income?: Over the last ten years it is unchanged. The long-run trend across the full record is flat.
Where does this Low & middle income 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: 06 August 2026

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