Secondary education, pupils, gaps filled in Iran, Islamic Republic of

Iran, Islamic Republic of: Secondary education, pupils, gaps filled was 6.62 million in 2023. ▲ Rising

Latest (2023)
6.62 million
Change on year
up 2.3%
World rank
18th
of 206 countries
All-time high
9.95 million
in 2000
All-time low
1.06 million
in 1971
Years of data
46
1971–2023

Secondary education, pupils, gaps filled in Iran, Islamic Republic of, 1971–2023

2.0M4.0M6.0M8.0M10.0M197119972023

Source: Statizoid (derived).

Analysis

In 2023, secondary education, pupils, gaps filled in Iran, Islamic Republic of stood at 6.62 million.

That represents a change of up 2.3% on the previous year and up 12.8% over ten years.

Over the whole period, secondary education, pupils, gaps filled in Iran, Islamic Republic of peaked at 9.95 million in 2000 and was at its lowest, 1.06 million, in 1971.

Iran, Islamic Republic of ranks 18th of 206 countries on this measure, in the top 10%.

The long-run direction has been consistently rising across the 46 years of available data.

Secondary education, pupils, gaps filled in Iran, Islamic Republic of, year by year

Annual values for Secondary education, pupils, gaps filled in Iran, Islamic Republic of, 1971 to 2023.
Year Value Change
1971 1.06 million
1972 1.47 million +38.9%
1973 1.61 million +9.4%
1974 1.77 million +10.0%
1975 1.99 million +12.6%
1976 2.18 million +9.7%
1977 2.36 million +8.0%
1985 3.11 million +31.9%
1986 3.36 million +8.1%
1987 3.61 million +7.5%
1988 3.86 million +7.0%
1989 4.28 million +10.8%
1990 4.70 million +9.8%
1991 5.08 million +8.3%
1992 5.62 million +10.5%
1993 6.32 million +12.5%
1994 7.06 million +11.6%
1995 7.65 million +8.4%
1996 8.21 million +7.3%
1997 8.78 million +6.8%
1998 9.25 million +5.4%
1999 9.73 million +5.1%
2000 9.95 million +2.3%
2001 9.93 million -0.2%
2002 9.92 million -0.2%
2003 9.70 million -2.1%
2004 9.44 million -2.7%
2005 9.07 million -4.0%
2006 8.81 million -2.9%
2007 8.32 million -5.5%
2008 8.19 million -1.6%
2009 7.88 million -3.8%
2010 7.35 million -6.7%
2011 7.24 million -1.5%
2012 7.12 million -1.6%
2013 5.87 million -17.6%
2014 5.79 million -1.3%
2015 5.71 million -1.4%
2016 5.71 million +0.0%
2017 5.68 million -0.5%
2018 5.83 million +2.6%
2019 5.98 million +2.5%
2020 6.12 million +2.4%
2021 6.30 million +2.9%
2022 6.47 million +2.8%
2023 6.62 million +2.3%

Averages by decade

DecadeAverage LowestHighest Years
1970s 1.78 million 1.06 million 2.36 million 7
1980s 3.64 million 3.11 million 4.28 million 5
1990s 7.24 million 4.70 million 9.73 million 10
2000s 9.12 million 7.88 million 9.95 million 10
2010s 6.23 million 5.68 million 7.35 million 10
2020s 6.38 million 6.12 million 6.62 million 4

Countries ranked near Iran, Islamic Republic of

  1. 15 Congo, Democratic Republic of the 7.93 million compare
  2. 16 Germany 6.97 million compare
  3. 17 Kenya 6.74 million compare
  4. 19 Japan 6.61 million compare
  5. 20 United Kingdom of Great Britain and Northern Ireland 6.40 million compare
  6. 21 France 6.27 million compare

See the full ranking of 251 places →

More education data for Iran, Islamic Republic of

All data for Iran, Islamic Republic of →

Frequently asked questions

What is secondary education, pupils, gaps filled in Iran, Islamic Republic of?
Secondary education, pupils, gaps filled in Iran, Islamic Republic of was 6.62 million in 2023, according to Statizoid (derived).
What is the highest secondary education, pupils, gaps filled recorded in Iran, Islamic Republic of?
The highest recorded value was 9.95 million in 2000.
What is the lowest secondary education, pupils, gaps filled recorded in Iran, Islamic Republic of?
The lowest recorded value was 1.06 million in 1971.
How does Iran, Islamic Republic of rank for secondary education, pupils, gaps filled?
Iran, Islamic Republic of ranks 18th out of 206 countries with data for 2023.
Is secondary education, pupils, gaps filled rising or falling in Iran, Islamic Republic of?
Over the last ten years it is up 12.8%. The long-run trend across the full record is rising.
Where does this Iran, Islamic Republic of data come from?
The figures come from Statizoid (derived), published as part of Secondary education, pupils, gaps filled. Statizoid updates them automatically from the source API.

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Secondary education, pupils, gaps filled in Iran, Islamic Republic of. Statizoid, drawing on Statizoid (derived). Retrieved 03 September 2026, from https://education.statizoid.com/stat/secondary-education-pupils-gaps-filled/iran-islamic-rep/

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How this figure is calculated

Secondary education, pupils with 698 missing years estimated by linear interpolation between the nearest real observations. Only gaps of 4 years or fewer are filled, and never beyond the first or last actual measurement — these are filled holes, not forecasts.

Computed from

Statizoid computes this series; the underlying measurements belong to the publishers named above. The arithmetic is applied to every country and year where both inputs report, and nothing is estimated unless the page says so.

About this data

Indicator
Secondary education, pupils, gaps filled
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
251 places, 10,723 data points, 1970–2025
Last refreshed

Secondary education, pupils with 698 missing years estimated by linear interpolation between the nearest real observations. Only gaps of 4 years or fewer are filled, and never beyond the first or last actual measurement — these are filled holes, not forecasts.