School age population, secondary education, both sexes in Indonesia

Indonesia: School age population, secondary education, both sexes was 28.65 million in 2025. ▲ Rising

Latest (2025)
28.65 million
Change on year
up 1.1%
World rank
5th
of 220 countries
All-time high
28.65 million
in 2025
All-time low
13.56 million
in 1970
Years of data
56
1970–2025

School age population, secondary education, both sexes in Indonesia, 1970–2025

010.0M20.0M30.0M197019972025

Source: UNESCO Institute for Statistics.

Analysis

Indonesia recorded 28.65 million for school age population, secondary education, both sexes in 2025. That is the highest value across all 56 years on record.

The figure is up 1.1% on the previous year and up 6.8% over ten years.

Over the whole period, school age population, secondary education, both sexes in Indonesia peaked at 28.65 million in 2025 and was at its lowest, 13.56 million, in 1970.

Indonesia ranks 5th of 220 countries on this measure, in the top 10%.

The long-run direction has been consistently rising across the 56 years of available data.

School age population, secondary education, both sexes in Indonesia, year by year

Annual values for School age population, secondary education, both sexes (number) in Indonesia, 1970 to 2025.
Year Value Change
1970 13.56 million
1971 14.22 million +4.8%
1972 14.88 million +4.6%
1973 15.54 million +4.4%
1974 16.19 million +4.2%
1975 16.83 million +3.9%
1976 17.45 million +3.7%
1977 18.05 million +3.5%
1978 18.64 million +3.3%
1979 19.22 million +3.1%
1980 19.80 million +3.0%
1981 20.35 million +2.8%
1982 20.88 million +2.6%
1983 21.40 million +2.5%
1984 21.89 million +2.3%
1985 22.33 million +2.0%
1986 22.71 million +1.7%
1987 23.10 million +1.7%
1988 23.42 million +1.4%
1989 23.74 million +1.4%
1990 24.05 million +1.3%
1991 24.36 million +1.3%
1992 24.71 million +1.4%
1993 25.04 million +1.3%
1994 25.40 million +1.4%
1995 25.71 million +1.2%
1996 26.03 million +1.3%
1997 26.32 million +1.1%
1998 26.53 million +0.8%
1999 26.56 million +0.1%
2000 26.48 million -0.3%
2001 26.37 million -0.4%
2002 26.26 million -0.4%
2003 26.14 million -0.5%
2004 25.97 million -0.7%
2005 25.95 million -0.1%
2006 25.99 million +0.2%
2007 26.05 million +0.2%
2008 26.10 million +0.2%
2009 26.20 million +0.4%
2010 26.41 million +0.8%
2011 26.59 million +0.7%
2012 26.78 million +0.7%
2013 26.85 million +0.3%
2014 26.85 million +0.0%
2015 26.81 million -0.1%
2016 26.73 million -0.3%
2017 26.62 million -0.4%
2018 26.61 million -0.0%
2019 26.79 million +0.7%
2020 27.06 million +1.0%
2021 27.40 million +1.2%
2022 27.69 million +1.1%
2023 28.00 million +1.1%
2024 28.33 million +1.1%
2025 28.65 million +1.1%

Averages by decade

DecadeAverage LowestHighest Years
1970s 16.46 million 13.56 million 19.22 million 10
1980s 21.96 million 19.80 million 23.74 million 10
1990s 25.47 million 24.05 million 26.56 million 10
2000s 26.15 million 25.95 million 26.48 million 10
2010s 26.70 million 26.41 million 26.85 million 10
2020s 27.85 million 27.06 million 28.65 million 6

Countries ranked near Indonesia

  1. 2 China 105.61 million compare
  2. 3 Pakistan 41.32 million compare
  3. 4 Nigeria 34.05 million compare
  4. 6 United States 26.41 million compare
  5. 7 Bangladesh 23.11 million compare
  6. 8 Brazil 20.64 million compare

See the full ranking of 441 places →

More education data for Indonesia

All data for Indonesia →

Frequently asked questions

What is school age population, secondary education, both sexes in Indonesia?
School age population, secondary education, both sexes in Indonesia was 28.65 million in 2025, according to UNESCO Institute for Statistics.
What is the highest school age population, secondary education, both sexes recorded in Indonesia?
The highest recorded value was 28.65 million in 2025.
What is the lowest school age population, secondary education, both sexes recorded in Indonesia?
The lowest recorded value was 13.56 million in 1970.
How does Indonesia rank for school age population, secondary education, both sexes?
Indonesia ranks 5th out of 220 countries with data for 2025.
Is school age population, secondary education, both sexes rising or falling in Indonesia?
Over the last ten years it is up 6.8%. The long-run trend across the full record is rising.
Where does this Indonesia data come from?
The figures come from UNESCO Institute for Statistics, published as part of School age population, secondary education, both sexes (number). Statizoid updates them automatically from the source API.

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School age population, secondary education, both sexes in Indonesia. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 29 August 2026, from https://education.statizoid.com/stat/school-age-population-secondary-education-both-sexes-number-2/indonesia/

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About this data

Indicator
School age population, secondary education, both sexes (number)
Source
UNESCO Institute for Statistics
Licence
CC BY-SA 3.0 IGO (UNESCO Institute for Statistics)
Coverage
441 places, 20,379 data points, 1970–2025
Last refreshed

February 2026 Data Release