School age population, secondary education, both sexes in Iran

Iran: School age population, secondary education, both sexes was 8.11 million in 2025. ▲ Rising

Latest (2025)
8.11 million
Change on year
up 2.1%
World rank
19th
of 220 countries
All-time high
13.33 million
in 2001
All-time low
3.92 million
in 1970
Years of data
56
1970–2025

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

4.0M6.0M8.0M10.0M12.0M14.0M197019972025

Source: UNESCO Institute for Statistics.

Analysis

Iran recorded 8.11 million for school age population, secondary education, both sexes in 2025.

Compared with earlier readings it is up 2.1% on the previous year and up 17.5% over ten years.

Over the whole period, school age population, secondary education, both sexes in Iran peaked at 13.33 million in 2001 and was at its lowest, 3.92 million, in 1970.

That places Iran 19th out of 220 countries with data for 2025, putting it 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 Iran, year by year

Annual values for School age population, secondary education, both sexes (number) in Iran, 1970 to 2025.
Year Value Change
1970 3.92 million
1971 4.08 million +4.1%
1972 4.42 million +8.2%
1973 4.56 million +3.3%
1974 4.69 million +2.9%
1975 4.81 million +2.5%
1976 4.91 million +2.2%
1977 5.01 million +2.0%
1978 5.93 million +18.2%
1979 6.08 million +2.6%
1980 6.25 million +2.8%
1981 6.43 million +3.0%
1982 6.71 million +4.3%
1983 6.88 million +2.4%
1984 7.02 million +2.1%
1985 7.15 million +1.9%
1986 7.31 million +2.1%
1987 7.49 million +2.6%
1988 7.73 million +3.2%
1989 8.02 million +3.7%
1990 8.40 million +4.7%
1991 8.89 million +5.9%
1992 9.43 million +6.1%
1993 9.98 million +5.8%
1994 10.51 million +5.4%
1995 11.16 million +6.2%
1996 11.78 million +5.5%
1997 12.31 million +4.5%
1998 12.74 million +3.5%
1999 13.06 million +2.5%
2000 13.28 million +1.6%
2001 13.33 million +0.4%
2002 13.27 million -0.4%
2003 13.02 million -1.9%
2004 12.67 million -2.7%
2005 12.18 million -3.8%
2006 11.59 million -4.8%
2007 11.00 million -5.1%
2008 10.38 million -5.6%
2009 9.80 million -5.6%
2010 9.30 million -5.1%
2011 8.90 million -4.2%
2012 8.61 million -3.3%
2013 7.19 million -16.4%
2014 7.02 million -2.5%
2015 6.90 million -1.6%
2016 6.86 million -0.7%
2017 6.87 million +0.2%
2018 6.93 million +0.9%
2019 7.04 million +1.6%
2020 7.19 million +2.0%
2021 7.35 million +2.2%
2022 7.56 million +2.9%
2023 7.77 million +2.8%
2024 7.95 million +2.3%
2025 8.11 million +2.1%

Averages by decade

DecadeAverage LowestHighest Years
1970s 4.84 million 3.92 million 6.08 million 10
1980s 7.10 million 6.25 million 8.02 million 10
1990s 10.83 million 8.40 million 13.06 million 10
2000s 12.05 million 9.80 million 13.33 million 10
2010s 7.56 million 6.86 million 9.30 million 10
2020s 7.65 million 7.19 million 8.11 million 6

Countries ranked near Iran

  1. 16 Türkiye 10.57 million compare
  2. 17 Tanzania, United Republic of 9.16 million compare
  3. 18 Kenya 8.19 million compare
  4. 20 Uganda 7.32 million compare
  5. 21 Germany 6.95 million compare
  6. 22 Sudan 6.94 million compare

See the full ranking of 441 places →

More education data for Iran

All data for Iran →

Frequently asked questions

What is school age population, secondary education, both sexes in Iran?
School age population, secondary education, both sexes in Iran was 8.11 million in 2025, according to UNESCO Institute for Statistics.
What is the highest school age population, secondary education, both sexes recorded in Iran?
The highest recorded value was 13.33 million in 2001.
What is the lowest school age population, secondary education, both sexes recorded in Iran?
The lowest recorded value was 3.92 million in 1970.
How does Iran rank for school age population, secondary education, both sexes?
Iran ranks 19th out of 220 countries with data for 2025.
Is school age population, secondary education, both sexes rising or falling in Iran?
Over the last ten years it is up 17.5%. The long-run trend across the full record is rising.
Where does this Iran 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 Iran. 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/iran-islamic-rep/

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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