Secondary education, teachers, gaps filled in OECD members

OECD members: Secondary education, teachers, gaps filled was 8.66 million in 2024. ▲ Rising

Latest (2024)
8.66 million
Change on year
up 0.3%
Rank
13th
of 43 groups
All-time high
8.66 million
in 2024
All-time low
4.59 million
in 1971
Years of data
55
1970–2024

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

02.0M4.0M6.0M8.0M197019972024

Source: Statizoid (derived).

Analysis

OECD members recorded 8.66 million for secondary education, teachers, gaps filled in 2024. That is the highest value across all 55 years on record.

Compared with earlier readings it is up 0.3% on the previous year and up 7.9% over ten years.

Over the whole period, secondary education, teachers, gaps filled in OECD members peaked at 8.66 million in 2024 and was at its lowest, 4.59 million, in 1971.

OECD members ranks 13th of 43 groups on this measure, in the middle of the range.

The long-run direction has been consistently rising across the 55 years of available data.

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

Annual values for Secondary education, teachers, gaps filled in OECD members, 1970 to 2024.
Year Value Change
1970 5.92 million
1971 4.59 million -22.5%
1972 4.70 million +2.5%
1973 4.81 million +2.3%
1974 4.91 million +2.1%
1975 5.20 million +6.0%
1976 5.20 million +0.0%
1977 5.34 million +2.6%
1978 5.44 million +1.8%
1979 5.45 million +0.2%
1980 5.68 million +4.3%
1981 5.75 million +1.2%
1982 5.92 million +3.0%
1983 5.99 million +1.2%
1984 6.04 million +0.8%
1985 6.30 million +4.2%
1986 6.24 million -0.9%
1987 6.32 million +1.3%
1988 6.51 million +2.9%
1989 6.57 million +1.0%
1990 6.53 million -0.6%
1991 6.53 million -0.0%
1992 6.85 million +4.9%
1993 6.89 million +0.6%
1994 7.06 million +2.5%
1995 7.09 million +0.4%
1996 7.18 million +1.2%
1997 7.18 million +0.1%
1998 7.12 million -0.9%
1999 7.16 million +0.5%
2000 7.29 million +1.9%
2001 7.41 million +1.6%
2002 7.46 million +0.8%
2003 7.52 million +0.8%
2004 7.54 million +0.2%
2005 7.66 million +1.6%
2006 7.66 million +0.1%
2007 7.76 million +1.3%
2008 7.78 million +0.2%
2009 7.83 million +0.7%
2010 7.82 million -0.1%
2011 7.84 million +0.3%
2012 7.78 million -0.9%
2013 7.92 million +1.8%
2014 8.03 million +1.4%
2015 8.10 million +0.9%
2016 8.24 million +1.7%
2017 8.25 million +0.1%
2018 8.27 million +0.3%
2019 8.36 million +1.1%
2020 8.49 million +1.5%
2021 8.52 million +0.4%
2022 8.62 million +1.2%
2023 8.63 million +0.2%
2024 8.66 million +0.3%

Averages by decade

DecadeAverage LowestHighest Years
1970s 5.16 million 4.59 million 5.92 million 10
1980s 6.13 million 5.68 million 6.57 million 10
1990s 6.96 million 6.53 million 7.18 million 10
2000s 7.59 million 7.29 million 7.83 million 10
2010s 8.06 million 7.78 million 8.36 million 10
2020s 8.58 million 8.49 million 8.66 million 5

Countries ranked near OECD members

  1. 10 Turkey 788,294 compare
  2. 11 Japan 627,777 compare
  3. 12 Democratic Republic of Congo 621,578 compare
  4. 13 Germany 618,670 compare
  5. 14 Bangladesh 571,690 compare
  6. 15 Egypt 507,445 compare
  7. 16 Philippines 495,843 compare

See the full ranking of 246 places →

More education data for OECD members

All data for OECD members →

Frequently asked questions

What is secondary education, teachers, gaps filled in OECD members?
Secondary education, teachers, gaps filled in OECD members was 8.66 million in 2024, according to Statizoid (derived).
What is the highest secondary education, teachers, gaps filled recorded in OECD members?
The highest recorded value was 8.66 million in 2024.
What is the lowest secondary education, teachers, gaps filled recorded in OECD members?
The lowest recorded value was 4.59 million in 1971.
How does OECD members rank for secondary education, teachers, gaps filled?
OECD members ranks 13th out of 43 groups with data for 2024.
Is secondary education, teachers, gaps filled rising or falling in OECD members?
Over the last ten years it is up 7.9%. 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, teachers, gaps filled. Statizoid updates them automatically from the source API.

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Secondary education, teachers, gaps filled in OECD members. Statizoid, drawing on Statizoid (derived). Retrieved 21 September 2026, from https://education.statizoid.com/stat/secondary-education-teachers-gaps-filled/oecd-members/

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How this figure is calculated

Secondary education, teachers with 719 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, teachers, gaps filled
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
246 places, 8,396 data points, 1970–2025
Last refreshed

Secondary education, teachers with 719 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.