Pupil-trained teacher ratio in upper secondary education in SDG: Least Developed Countries

SDG: Least Developed Countries: Pupil-trained teacher ratio in upper secondary education was 38.74 headcount basis in 2021. ▼ Falling

Latest (2021)
38.74 headcount basis
Change on year
down 4.8%
Rank
8th
of 150 groups
All-time high
50.26 headcount basis
in 2011
All-time low
33.05 headcount basis
in 2017
Years of data
24
1998–2021

Pupil-trained teacher ratio in upper secondary education in SDG: Least Developed Countries, 1998–2021

02040601998200920211998: 41.6 headcount basis1999: 44.5 headcount basis2000: 46.7 headcount basis2001: 43.4 headcount basis2002: 44.4 headcount basis2003: 44.9 headcount basis2004: 42 headcount basis2005: 40.6 headcount basis2006: 41.3 headcount basis2007: 42.1 headcount basis2008: 45.1 headcount basis2009: 46.6 headcount basis2010: 46.4 headcount basis2011: 50.3 headcount basis2012: 47.3 headcount basis2013: 47.5 headcount basis2014: 45.3 headcount basis2015: 38.4 headcount basis2016: 35.1 headcount basis2017: 33 headcount basis2018: 36 headcount basis2019: 36.5 headcount basis2020: 40.7 headcount basis2021: 38.7 headcount basis

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

Analysis

SDG: Least Developed Countries recorded 38.74 headcount basis for pupil-trained teacher ratio in upper secondary education in 2021.

Compared with earlier readings it is down 4.8% on the previous year and down 22.9% over ten years.

Over the whole period, pupil-trained teacher ratio in upper secondary education in SDG: Least Developed Countries peaked at 50.26 headcount basis in 2011 and was at its lowest, 33.05 headcount basis, in 2017.

That places SDG: Least Developed Countries 8th out of 150 groups with data for 2021, putting it in the top 10%.

The long-run direction has been consistently falling across the 24 years of available data.

Pupil-trained teacher ratio in upper secondary education in SDG: Least Developed Countries, year by year

Annual values for Pupil-trained teacher ratio in upper secondary education (headcount basis) in SDG: Least Developed Countries, 1998 to 2021.
Year headcount basis Change
1998 41.63 headcount basis
1999 44.52 headcount basis +6.9%
2000 46.7 headcount basis +4.9%
2001 43.41 headcount basis -7.0%
2002 44.36 headcount basis +2.2%
2003 44.89 headcount basis +1.2%
2004 42.05 headcount basis -6.3%
2005 40.59 headcount basis -3.5%
2006 41.28 headcount basis +1.7%
2007 42.11 headcount basis +2.0%
2008 45.14 headcount basis +7.2%
2009 46.61 headcount basis +3.3%
2010 46.42 headcount basis -0.4%
2011 50.26 headcount basis +8.3%
2012 47.29 headcount basis -5.9%
2013 47.46 headcount basis +0.4%
2014 45.34 headcount basis -4.5%
2015 38.37 headcount basis -15.4%
2016 35.08 headcount basis -8.6%
2017 33.05 headcount basis -5.8%
2018 35.95 headcount basis +8.8%
2019 36.46 headcount basis +1.4%
2020 40.71 headcount basis +11.6%
2021 38.74 headcount basis -4.8%

Averages by decade

DecadeAverage LowestHighest Years
1990s 43.07 headcount basis 41.63 headcount basis 44.52 headcount basis 2
2000s 43.71 headcount basis 40.59 headcount basis 46.7 headcount basis 10
2010s 41.57 headcount basis 33.05 headcount basis 50.26 headcount basis 10
2020s 39.72 headcount basis 38.74 headcount basis 40.71 headcount basis 2

Countries ranked near SDG: Least Developed Countries

  1. 5 Kiribati 43.63 headcount basis compare
  2. 6 Bangladesh 41.98 headcount basis compare
  3. 7 Nicaragua 41.39 headcount basis compare
  4. 8 Sierra Leone 41.29 headcount basis compare
  5. 9 Suriname 37.37 headcount basis compare
  6. 10 Rwanda 32.27 headcount basis compare
  7. 11 Mozambique 31.11 headcount basis compare

See the full ranking of 227 places →

More education data for SDG: Least Developed Countries

All data for SDG: Least Developed Countries →

Frequently asked questions

What is pupil-trained teacher ratio in upper secondary education in SDG: Least Developed Countries?
Pupil-trained teacher ratio in upper secondary education in SDG: Least Developed Countries was 38.74 headcount basis in 2021, according to UNESCO Institute for Statistics.
What is the highest pupil-trained teacher ratio in upper secondary education recorded in SDG: Least Developed Countries?
The highest recorded value was 50.26 headcount basis in 2011.
What is the lowest pupil-trained teacher ratio in upper secondary education recorded in SDG: Least Developed Countries?
The lowest recorded value was 33.05 headcount basis in 2017.
How does SDG: Least Developed Countries rank for pupil-trained teacher ratio in upper secondary education?
SDG: Least Developed Countries ranks 8th out of 150 groups with data for 2021.
Is pupil-trained teacher ratio in upper secondary education rising or falling in SDG: Least Developed Countries?
Over the last ten years it is down 22.9%. The long-run trend across the full record is falling.
Where does this SDG: Least Developed Countries data come from?
The figures come from UNESCO Institute for Statistics, published as part of Pupil-trained teacher ratio in upper secondary education (headcount basis). Statizoid updates them automatically from the source API.

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Pupil-trained teacher ratio in upper secondary education in SDG: Least Developed Countries. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 27 August 2026, from https://education.statizoid.com/stat/pupil-trained-teacher-ratio-in-upper-secondary-education-headcount-basis-2/sdg-least-developed-countries/

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About this data

Indicator
Pupil-trained teacher ratio in upper secondary education (headcount basis)
Unit
headcount basis
Source
UNESCO Institute for Statistics
Licence
CC BY-SA 3.0 IGO (UNESCO Institute for Statistics)
Coverage
227 places, 2,667 data points, 1998–2025
Last refreshed

February 2026 Data Release