School age population, upper secondary education, both sexes in SDG: Least Developed Countries

SDG: Least Developed Countries: School age population, upper secondary education, both sexes was 74.48 million in 2024. ▲ Rising

Latest (2024)
74.48 million
Change on year
up 0.7%
Rank
59th
of 221 groups
All-time high
74.48 million
in 2024
All-time low
19.46 million
in 1970
Years of data
55
1970–2024

School age population, upper secondary education, both sexes in SDG: Least Developed Countries, 1970–2024

20.0M40.0M60.0M80.0M197019972024

Source: UNESCO Institute for Statistics.

Analysis

The most recent figure for school age population, upper secondary education, both sexes in SDG: Least Developed Countries is 74.48 million, measured in 2024. That is the highest value across all 55 years on record.

Compared with earlier readings it is up 0.7% on the previous year and up 21.3% over ten years.

Over the whole period, school age population, upper secondary education, both sexes in SDG: Least Developed Countries peaked at 74.48 million in 2024 and was at its lowest, 19.46 million, in 1970.

That places SDG: Least Developed Countries 59th out of 221 groups with data for 2024, putting it in the middle of the range.

The long-run direction has been consistently rising across the 55 years of available data.

School age population, upper secondary education, both sexes in SDG: Least Developed Countries, year by year

Annual values for School age population, upper secondary education, both sexes (number) in SDG: Least Developed Countries, 1970 to 2024.
Year Value Change
1970 19.46 million
1971 19.94 million +2.5%
1972 20.42 million +2.4%
1973 20.92 million +2.4%
1974 21.47 million +2.6%
1975 22.09 million +2.9%
1976 22.64 million +2.5%
1977 22.94 million +1.3%
1978 23.44 million +2.2%
1979 23.96 million +2.2%
1980 24.47 million +2.1%
1981 25.14 million +2.8%
1982 25.35 million +0.8%
1983 26.04 million +2.7%
1984 27.25 million +4.6%
1985 28.17 million +3.4%
1986 28.87 million +2.5%
1987 29.51 million +2.2%
1988 30.24 million +2.5%
1989 31.04 million +2.7%
1990 31.83 million +2.5%
1991 32.52 million +2.2%
1992 33.30 million +2.4%
1993 33.75 million +1.4%
1994 34.85 million +3.3%
1995 36.10 million +3.6%
1996 37.29 million +3.3%
1997 37.93 million +1.7%
1998 43.24 million +14.0%
1999 43.85 million +1.4%
2000 44.84 million +2.3%
2001 45.66 million +1.8%
2002 46.66 million +2.2%
2003 47.81 million +2.5%
2004 48.97 million +2.4%
2005 50.15 million +2.4%
2006 51.31 million +2.3%
2007 52.41 million +2.1%
2008 53.48 million +2.0%
2009 54.70 million +2.3%
2010 55.85 million +2.1%
2011 57.32 million +2.6%
2012 58.60 million +2.2%
2013 60.29 million +2.9%
2014 61.40 million +1.8%
2015 62.91 million +2.5%
2016 64.32 million +2.2%
2017 65.80 million +2.3%
2018 66.98 million +1.8%
2019 68.12 million +1.7%
2020 69.41 million +1.9%
2021 70.92 million +2.2%
2022 72.51 million +2.2%
2023 73.97 million +2.0%
2024 74.48 million +0.7%

Averages by decade

DecadeAverage LowestHighest Years
1970s 21.73 million 19.46 million 23.96 million 10
1980s 27.61 million 24.47 million 31.04 million 10
1990s 36.46 million 31.83 million 43.85 million 10
2000s 49.60 million 44.84 million 54.70 million 10
2010s 62.16 million 55.85 million 68.12 million 10
2020s 72.26 million 69.41 million 74.48 million 5

Countries ranked near SDG: Least Developed Countries

  1. 56 South Korea 1.38 million compare
  2. 57 Canada 1.38 million compare
  3. 58 Burundi 1.36 million compare
  4. 59 Chad 1.35 million compare
  5. 60 South Sudan 1.28 million compare
  6. 61 Senegal 1.24 million compare
  7. 62 Uzbekistan 1.24 million compare

See the full ranking of 441 places →

More education data for SDG: Least Developed Countries

All data for SDG: Least Developed Countries →

Frequently asked questions

What is school age population, upper secondary education, both sexes in SDG: Least Developed Countries?
School age population, upper secondary education, both sexes in SDG: Least Developed Countries was 74.48 million in 2024, according to UNESCO Institute for Statistics.
What is the highest school age population, upper secondary education, both sexes recorded in SDG: Least Developed Countries?
The highest recorded value was 74.48 million in 2024.
What is the lowest school age population, upper secondary education, both sexes recorded in SDG: Least Developed Countries?
The lowest recorded value was 19.46 million in 1970.
How does SDG: Least Developed Countries rank for school age population, upper secondary education, both sexes?
SDG: Least Developed Countries ranks 59th out of 221 groups with data for 2024.
Is school age population, upper secondary education, both sexes rising or falling in SDG: Least Developed Countries?
Over the last ten years it is up 21.3%. The long-run trend across the full record is rising.
Where does this SDG: Least Developed Countries data come from?
The figures come from UNESCO Institute for Statistics, published as part of School age population, upper secondary education, both sexes (number). Statizoid updates them automatically from the source API.

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School age population, upper secondary education, both sexes in SDG: Least Developed Countries. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 29 August 2026, from https://education.statizoid.com/stat/school-age-population-upper-secondary-education-both-sexes-number-2/sdg-least-developed-countries/

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About this data

Indicator
School age population, upper secondary education, both sexes (number)
Source
UNESCO Institute for Statistics
Licence
CC BY-SA 3.0 IGO (UNESCO Institute for Statistics)
Coverage
441 places, 20,373 data points, 1970–2025
Last refreshed

February 2026 Data Release