Pupil-trained teacher ratio in secondary education in UNESCO: Sids

UNESCO: Sids: Pupil-trained teacher ratio in secondary education was 17.48 headcount basis in 2024. ▼ Falling

Latest (2024)
17.48 headcount basis
Change on year
up 2.2%
Rank
147th
of 184 groups
All-time high
23.34 headcount basis
in 2004
All-time low
16.95 headcount basis
in 2022
Years of data
27
1998–2024

Pupil-trained teacher ratio in secondary education in UNESCO: Sids, 1998–2024

05101520251998201120241998: 19.4 headcount basis1999: 20 headcount basis2000: 21.3 headcount basis2001: 20.6 headcount basis2002: 22.3 headcount basis2003: 22.6 headcount basis2004: 23.3 headcount basis2005: 21.1 headcount basis2006: 20.8 headcount basis2007: 20.2 headcount basis2008: 19.7 headcount basis2009: 19.8 headcount basis2010: 19.8 headcount basis2011: 20.1 headcount basis2012: 19.4 headcount basis2013: 19.5 headcount basis2014: 19.4 headcount basis2015: 19.3 headcount basis2016: 19 headcount basis2017: 18.6 headcount basis2018: 18.5 headcount basis2019: 18.5 headcount basis2020: 17.7 headcount basis2021: 17 headcount basis2022: 17 headcount basis2023: 17.1 headcount basis2024: 17.5 headcount basis

Source: UNESCO Institute for Statistics. Measured in headcount basis.

Analysis

In 2024, pupil-trained teacher ratio in secondary education in UNESCO: Sids stood at 17.48 headcount basis.

That represents a change of up 2.2% on the previous year and down 9.8% over ten years.

Over the whole period, pupil-trained teacher ratio in secondary education in UNESCO: Sids peaked at 23.34 headcount basis in 2004 and was at its lowest, 16.95 headcount basis, in 2022.

UNESCO: Sids ranks 147th of 184 groups on this measure, in the bottom quarter.

The long-run direction has been consistently falling across the 27 years of available data.

Pupil-trained teacher ratio in secondary education in UNESCO: Sids, year by year

Annual values for Pupil-trained teacher ratio in secondary education (headcount basis) in UNESCO: Sids, 1998 to 2024.
Year headcount basis Change
1998 19.44 headcount basis
1999 19.98 headcount basis +2.8%
2000 21.28 headcount basis +6.5%
2001 20.65 headcount basis -3.0%
2002 22.25 headcount basis +7.8%
2003 22.65 headcount basis +1.8%
2004 23.34 headcount basis +3.0%
2005 21.1 headcount basis -9.6%
2006 20.8 headcount basis -1.4%
2007 20.17 headcount basis -3.0%
2008 19.65 headcount basis -2.6%
2009 19.85 headcount basis +1.0%
2010 19.84 headcount basis -0.1%
2011 20.1 headcount basis +1.3%
2012 19.36 headcount basis -3.7%
2013 19.47 headcount basis +0.6%
2014 19.37 headcount basis -0.5%
2015 19.28 headcount basis -0.5%
2016 19.03 headcount basis -1.3%
2017 18.6 headcount basis -2.3%
2018 18.53 headcount basis -0.3%
2019 18.47 headcount basis -0.4%
2020 17.66 headcount basis -4.4%
2021 16.96 headcount basis -3.9%
2022 16.95 headcount basis -0.1%
2023 17.1 headcount basis +0.9%
2024 17.48 headcount basis +2.2%

Averages by decade

DecadeAverage LowestHighest Years
1990s 19.71 headcount basis 19.44 headcount basis 19.98 headcount basis 2
2000s 21.17 headcount basis 19.65 headcount basis 23.34 headcount basis 10
2010s 19.2 headcount basis 18.47 headcount basis 20.1 headcount basis 10
2020s 17.23 headcount basis 16.95 headcount basis 17.66 headcount basis 5

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Frequently asked questions

What is pupil-trained teacher ratio in secondary education in UNESCO: Sids?
Pupil-trained teacher ratio in secondary education in UNESCO: Sids was 17.48 headcount basis in 2024, according to UNESCO Institute for Statistics.
What is the highest pupil-trained teacher ratio in secondary education recorded in UNESCO: Sids?
The highest recorded value was 23.34 headcount basis in 2004.
What is the lowest pupil-trained teacher ratio in secondary education recorded in UNESCO: Sids?
The lowest recorded value was 16.95 headcount basis in 2022.
How does UNESCO: Sids rank for pupil-trained teacher ratio in secondary education?
UNESCO: Sids ranks 147th out of 184 groups with data for 2024.
Is pupil-trained teacher ratio in secondary education rising or falling in UNESCO: Sids?
Over the last ten years it is down 9.8%. The long-run trend across the full record is falling.
Where does this UNESCO: Sids data come from?
The figures come from UNESCO Institute for Statistics, published as part of Pupil-trained teacher ratio in secondary education (headcount basis). Statizoid updates them automatically from the source API.

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Pupil-trained teacher ratio in secondary education in UNESCO: Sids. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 28 August 2026, from https://education.statizoid.com/stat/pupil-trained-teacher-ratio-in-secondary-education-headcount-basis-2/unesco-sids/

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About this data

Indicator
Pupil-trained teacher ratio in secondary education (headcount basis)
Unit
headcount basis
Source
UNESCO Institute for Statistics
Licence
CC BY-SA 3.0 IGO (UNESCO Institute for Statistics)
Coverage
290 places, 3,858 data points, 1997–2025
Last refreshed

February 2026 Data Release