Secondary education, pupils, gaps filled in OECD members

OECD members: Secondary education, pupils, gaps filled was 116.41 million in 2024. ▲ Rising

Latest (2024)
116.41 million
Change on year
up 0.1%
Rank
16th
of 45 groups
All-time high
116.41 million
in 2024
All-time low
77.39 million
in 1971
Years of data
55
1970–2024

Secondary education, pupils, gaps filled in OECD members, 1970–2024

025.0M50.0M75.0M100.0M125.0M197019972024

Source: Statizoid (derived).

Analysis

OECD members recorded 116.41 million for secondary education, pupils, gaps filled in 2024. That is the highest value across all 55 years on record.

That represents a change of up 0.1% on the previous year and up 2.4% over ten years.

Over the whole period, secondary education, pupils, gaps filled in OECD members peaked at 116.41 million in 2024 and was at its lowest, 77.39 million, in 1971.

That places OECD members 16th out of 45 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.

Secondary education, pupils, gaps filled in OECD members, year by year

Annual values for Secondary education, pupils, gaps filled in OECD members, 1970 to 2024.
Year Value Change
1970 98.94 million
1971 77.39 million -21.8%
1972 79.27 million +2.4%
1973 82.23 million +3.7%
1974 83.08 million +1.0%
1975 88.49 million +6.5%
1976 86.27 million -2.5%
1977 87.68 million +1.6%
1978 88.84 million +1.3%
1979 88.00 million -1.0%
1980 91.77 million +4.3%
1981 92.65 million +1.0%
1982 94.18 million +1.6%
1983 94.69 million +0.5%
1984 95.76 million +1.1%
1985 99.14 million +3.5%
1986 97.70 million -1.4%
1987 98.48 million +0.8%
1988 100.65 million +2.2%
1989 100.80 million +0.2%
1990 98.31 million -2.5%
1991 96.52 million -1.8%
1992 100.21 million +3.8%
1993 99.16 million -1.0%
1994 101.79 million +2.6%
1995 102.33 million +0.5%
1996 103.53 million +1.2%
1997 103.27 million -0.2%
1998 103.58 million +0.3%
1999 103.71 million +0.1%
2000 104.29 million +0.6%
2001 105.62 million +1.3%
2002 106.66 million +1.0%
2003 107.82 million +1.1%
2004 107.34 million -0.4%
2005 108.07 million +0.7%
2006 108.32 million +0.2%
2007 108.54 million +0.2%
2008 108.57 million +0.0%
2009 108.65 million +0.1%
2010 109.10 million +0.4%
2011 108.63 million -0.4%
2012 107.92 million -0.7%
2013 113.30 million +5.0%
2014 113.70 million +0.4%
2015 113.89 million +0.2%
2016 114.03 million +0.1%
2017 114.69 million +0.6%
2018 114.21 million -0.4%
2019 114.31 million +0.1%
2020 114.95 million +0.6%
2021 115.08 million +0.1%
2022 115.35 million +0.2%
2023 116.34 million +0.9%
2024 116.41 million +0.1%

Averages by decade

DecadeAverage LowestHighest Years
1970s 86.02 million 77.39 million 98.94 million 10
1980s 96.58 million 91.77 million 100.80 million 10
1990s 101.24 million 96.52 million 103.71 million 10
2000s 107.39 million 104.29 million 108.65 million 10
2010s 112.38 million 107.92 million 114.69 million 10
2020s 115.63 million 114.95 million 116.41 million 5

Countries ranked near OECD members

  1. 13 Russian Federation 10.80 million compare
  2. 14 Viet Nam 9.61 million compare
  3. 15 Congo, Democratic Republic of the 7.93 million compare
  4. 16 Germany 6.97 million compare
  5. 17 Kenya 6.74 million compare
  6. 18 Iran, Islamic Republic of 6.62 million compare
  7. 19 Japan 6.61 million compare

See the full ranking of 251 places →

More education data for OECD members

All data for OECD members →

Frequently asked questions

What is secondary education, pupils, gaps filled in OECD members?
Secondary education, pupils, gaps filled in OECD members was 116.41 million in 2024, according to Statizoid (derived).
What is the highest secondary education, pupils, gaps filled recorded in OECD members?
The highest recorded value was 116.41 million in 2024.
What is the lowest secondary education, pupils, gaps filled recorded in OECD members?
The lowest recorded value was 77.39 million in 1971.
How does OECD members rank for secondary education, pupils, gaps filled?
OECD members ranks 16th out of 45 groups with data for 2024.
Is secondary education, pupils, gaps filled rising or falling in OECD members?
Over the last ten years it is up 2.4%. The long-run trend across the full record is rising.
Where does this OECD members 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 OECD members. Statizoid, drawing on Statizoid (derived). Retrieved 03 September 2026, from https://education.statizoid.com/stat/secondary-education-pupils-gaps-filled/oecd-members/

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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.