What is pupil-teacher ratio, secondary in World?

Pupil-teacher ratio, secondary in World was 17 in 2018, according to Stat Bulk Data Download Service, UN Educational, Scientific and Cultural Organization (UNESCO).

What is the highest pupil-teacher ratio, secondary recorded in World?

The highest recorded value was 18.18 in 2001.

What is the lowest pupil-teacher ratio, secondary recorded in World?

The lowest recorded value was 15.92 in 1970.

Is pupil-teacher ratio, secondary rising or falling in World?

Over the last ten years it is down 0.4%. The long-run trend across the full record is rising.

Where does this World data come from?

The figures come from Stat Bulk Data Download Service, UN Educational, Scientific and Cultural Organization (UNESCO), published as part of Pupil-teacher ratio, secondary. Statizoid updates them automatically from the source API.

Pupil-teacher ratio, secondary in World

Name: Pupil-teacher ratio, secondary in World
Creator: Stat Bulk Data Download Service, UN Educational, Scientific and Cultural Organization (UNESCO)
License: CC BY 4.0 (World Bank Open Data)

World: Pupil-teacher ratio, secondary was 17 in 2018. ▲ Rising

Latest (2018)

Change on year

up 0.3%

All-time high

18.18

in 2001

All-time low

15.92

in 1970

Years of data

1970–2018

Pupil-teacher ratio, secondary in World, 1970–2018

Source: Stat Bulk Data Download Service, UN Educational, Scientific and Cultural Organization (UNESCO).

Analysis

World recorded 17 for pupil-teacher ratio, secondary in 2018.

That represents a change of up 0.3% on the previous year and down 0.4% over ten years.

Over the whole period, pupil-teacher ratio, secondary in World peaked at 18.18 in 2001 and was at its lowest, 15.92, in 1970.

The long-run direction has been consistently rising across the 49 years of available data.

Averages by decade

Decade	Average	Lowest	Highest	Years
1970s	16.58	15.92	17.15	10
1980s	16.65	16.37	16.82	10
1990s	16.84	16.19	17.54	10
2000s	17.72	16.89	18.18	10
2010s	17.2	16.89	17.68	9

More education data for World

Population ages 0-14 24.4% (2025)
Population ages 15-64 65.2% (2025)
School enrollment, primary 102.2% (2024)
Primary education, teachers 34.10 million (2024)
School enrollment, primary, female 101.5% (2024)
School enrollment, primary, male 102.8% (2024)
Labor force, female 40.2% (2025)
Labor force, total 3.74 billion (2025)
School enrollment, primary (gross), gender parity index 0.9825 GPI (2020)
School enrollment, secondary 77.3% (2024)

All data for World →

Frequently asked questions

What is pupil-teacher ratio, secondary in World?: Pupil-teacher ratio, secondary in World was 17 in 2018, according to Stat Bulk Data Download Service, UN Educational, Scientific and Cultural Organization (UNESCO).
What is the highest pupil-teacher ratio, secondary recorded in World?: The highest recorded value was 18.18 in 2001.
What is the lowest pupil-teacher ratio, secondary recorded in World?: The lowest recorded value was 15.92 in 1970.
Is pupil-teacher ratio, secondary rising or falling in World?: Over the last ten years it is down 0.4%. The long-run trend across the full record is rising.
Where does this World data come from?: The figures come from Stat Bulk Data Download Service, UN Educational, Scientific and Cultural Organization (UNESCO), published as part of Pupil-teacher ratio, secondary. Statizoid updates them automatically from the source API.

Download this data

CSV · JSON — 49 observations, free to reuse under CC BY 4.0 (World Bank Open Data).

About this data

Indicator: Pupil-teacher ratio, secondary
Source: Stat Bulk Data Download Service, UN Educational, Scientific and Cultural Organization (UNESCO)
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 233 places, 6,299 data points, 1970–2019
Last refreshed: 06 August 2026

Secondary school pupil-teacher ratio is the average number of pupils per teacher in secondary school.