Secondary education, pupils, gaps filled in IDA total

IDA total: Secondary education, pupils, gaps filled was 135.69 million in 2024. ◆ Volatile

Latest (2024)
135.69 million
Change on year
up 2.1%
Rank
15th
of 45 groups
All-time high
135.69 million
in 2024
All-time low
14.92 million
in 1970
Years of data
55
1970–2024

Secondary education, pupils, gaps filled in IDA total, 1970–2024

25.0M50.0M75.0M100.0M125.0M197019972024

Source: Statizoid (derived).

Analysis

The most recent figure for secondary education, pupils, gaps filled in IDA total is 135.69 million, measured in 2024. That is the highest value across all 55 years on record.

Compared with earlier readings it is up 2.1% on the previous year and up 36.2% over ten years.

Over the whole period, secondary education, pupils, gaps filled in IDA total peaked at 135.69 million in 2024 and was at its lowest, 14.92 million, in 1970.

That places IDA total 15th out of 45 groups with data for 2024, putting it in the middle of the range.

The series is highly variable year to year, so single readings are best treated with caution.

Secondary education, pupils, gaps filled in IDA total, year by year

Annual values for Secondary education, pupils, gaps filled in IDA total, 1970 to 2024.
Year Value Change
1970 14.92 million
1971 15.26 million +2.3%
1972 16.04 million +5.1%
1973 16.73 million +4.3%
1974 17.19 million +2.7%
1975 17.87 million +3.9%
1976 18.25 million +2.2%
1977 18.97 million +3.9%
1978 19.87 million +4.7%
1979 20.77 million +4.5%
1980 22.30 million +7.4%
1981 22.37 million +0.3%
1982 24.44 million +9.3%
1983 26.28 million +7.5%
1984 27.91 million +6.2%
1985 29.03 million +4.0%
1986 28.66 million -1.3%
1987 30.51 million +6.5%
1988 31.33 million +2.7%
1989 31.36 million +0.1%
1990 32.03 million +2.1%
1991 34.12 million +6.5%
1992 36.01 million +5.5%
1993 37.32 million +3.7%
1994 39.02 million +4.6%
1995 41.18 million +5.5%
1996 43.05 million +4.6%
1997 44.55 million +3.5%
1998 47.20 million +6.0%
1999 48.83 million +3.4%
2000 51.23 million +4.9%
2001 54.17 million +5.7%
2002 56.97 million +5.2%
2003 60.48 million +6.2%
2004 63.56 million +5.1%
2005 66.13 million +4.0%
2006 70.23 million +6.2%
2007 73.18 million +4.2%
2008 77.11 million +5.4%
2009 81.58 million +5.8%
2010 86.45 million +6.0%
2011 90.09 million +4.2%
2012 94.31 million +4.7%
2013 99.32 million +5.3%
2014 99.62 million +0.3%
2015 103.40 million +3.8%
2016 106.76 million +3.2%
2017 109.06 million +2.2%
2018 113.64 million +4.2%
2019 117.48 million +3.4%
2020 121.70 million +3.6%
2021 125.03 million +2.7%
2022 128.11 million +2.5%
2023 132.93 million +3.8%
2024 135.69 million +2.1%

Averages by decade

DecadeAverage LowestHighest Years
1970s 17.59 million 14.92 million 20.77 million 10
1980s 27.42 million 22.30 million 31.36 million 10
1990s 40.33 million 32.03 million 48.83 million 10
2000s 65.46 million 51.23 million 81.58 million 10
2010s 102.01 million 86.45 million 117.48 million 10
2020s 128.69 million 121.70 million 135.69 million 5

Countries ranked near IDA total

  1. 12 Egypt 11.56 million compare
  2. 13 Russian Federation 10.80 million compare
  3. 14 Viet Nam 9.61 million compare
  4. 15 Congo, Democratic Republic of the 7.93 million compare
  5. 16 Germany 6.97 million compare
  6. 17 Kenya 6.74 million compare
  7. 18 Iran, Islamic Republic of 6.62 million compare

See the full ranking of 251 places →

More education data for IDA total

All data for IDA total →

Frequently asked questions

What is secondary education, pupils, gaps filled in IDA total?
Secondary education, pupils, gaps filled in IDA total was 135.69 million in 2024, according to Statizoid (derived).
What is the highest secondary education, pupils, gaps filled recorded in IDA total?
The highest recorded value was 135.69 million in 2024.
What is the lowest secondary education, pupils, gaps filled recorded in IDA total?
The lowest recorded value was 14.92 million in 1970.
How does IDA total rank for secondary education, pupils, gaps filled?
IDA total ranks 15th out of 45 groups with data for 2024.
Is secondary education, pupils, gaps filled rising or falling in IDA total?
Over the last ten years it is up 36.2%. The long-run trend across the full record is volatile.
Where does this IDA total 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 IDA total. Statizoid, drawing on Statizoid (derived). Retrieved 03 September 2026, from https://education.statizoid.com/stat/secondary-education-pupils-gaps-filled/ida-total/

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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.