Secondary education, general pupils, gaps filled in IDA only

IDA only: Secondary education, general pupils, gaps filled was 67.20 million in 2018. ◆ Volatile

Latest (2018)
67.20 million
Change on year
up 2.6%
Rank
19th
of 41 groups
All-time high
67.20 million
in 2018
All-time low
7.74 million
in 1970
Years of data
49
1970–2018

Secondary education, general pupils, gaps filled in IDA only, 1970–2018

020.0M40.0M60.0M197019942018

Source: Statizoid (derived).

Analysis

The most recent figure for secondary education, general pupils, gaps filled in IDA only is 67.20 million, measured in 2018. That is the highest value across all 49 years on record.

That represents a change of up 2.6% on the previous year and up 49.3% over ten years.

Over the whole period, secondary education, general pupils, gaps filled in IDA only peaked at 67.20 million in 2018 and was at its lowest, 7.74 million, in 1970.

That places IDA only 19th out of 41 groups with data for 2018, 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, general pupils, gaps filled in IDA only, year by year

Annual values for Secondary education, general pupils, gaps filled in IDA only, 1970 to 2018.
Year Value Change
1970 7.74 million
1971 7.95 million +2.7%
1972 8.23 million +3.6%
1973 8.60 million +4.5%
1974 8.78 million +2.1%
1975 9.08 million +3.5%
1976 9.38 million +3.3%
1977 9.76 million +4.1%
1978 10.20 million +4.5%
1979 10.80 million +5.9%
1980 11.70 million +8.3%
1981 11.80 million +0.9%
1982 12.40 million +5.1%
1983 13.10 million +5.6%
1984 13.70 million +4.6%
1985 14.00 million +2.2%
1986 14.30 million +2.1%
1987 14.70 million +2.8%
1988 15.20 million +3.4%
1989 15.60 million +2.6%
1990 15.70 million +0.6%
1991 16.90 million +7.6%
1992 17.80 million +5.3%
1993 18.70 million +5.1%
1994 20.00 million +7.0%
1995 21.60 million +8.0%
1996 22.90 million +6.0%
1997 24.00 million +4.8%
1998 26.20 million +9.2%
1999 27.70 million +5.7%
2000 29.40 million +6.1%
2001 31.20 million +6.1%
2002 33.20 million +6.4%
2003 35.60 million +7.2%
2004 37.10 million +4.2%
2005 38.70 million +4.3%
2006 41.00 million +5.9%
2007 42.90 million +4.6%
2008 45.00 million +4.9%
2009 47.90 million +6.4%
2010 50.80 million +6.1%
2011 53.30 million +4.9%
2012 56.10 million +5.3%
2013 58.20 million +3.7%
2014 59.70 million +2.6%
2015 61.60 million +3.2%
2016 64.30 million +4.4%
2017 65.50 million +1.9%
2018 67.20 million +2.6%

Averages by decade

DecadeAverage LowestHighest Years
1970s 9.05 million 7.74 million 10.80 million 10
1980s 13.65 million 11.70 million 15.60 million 10
1990s 21.15 million 15.70 million 27.70 million 10
2000s 38.20 million 29.40 million 47.90 million 10
2010s 59.63 million 50.80 million 67.20 million 9

Countries ranked near IDA only

  1. 16 Thailand 5.61 million compare
  2. 17 Kenya 4.99 million compare
  3. 18 France 4.98 million compare
  4. 19 Ethiopia 4.97 million compare
  5. 20 Iran 4.92 million compare
  6. 21 South Africa 4.70 million compare
  7. 22 Argentina 4.61 million compare

See the full ranking of 247 places →

More education data for IDA only

All data for IDA only →

Frequently asked questions

What is secondary education, general pupils, gaps filled in IDA only?
Secondary education, general pupils, gaps filled in IDA only was 67.20 million in 2018, according to Statizoid (derived).
What is the highest secondary education, general pupils, gaps filled recorded in IDA only?
The highest recorded value was 67.20 million in 2018.
What is the lowest secondary education, general pupils, gaps filled recorded in IDA only?
The lowest recorded value was 7.74 million in 1970.
How does IDA only rank for secondary education, general pupils, gaps filled?
IDA only ranks 19th out of 41 groups with data for 2018.
Is secondary education, general pupils, gaps filled rising or falling in IDA only?
Over the last ten years it is up 49.3%. The long-run trend across the full record is volatile.
Where does this IDA only data come from?
The figures come from Statizoid (derived), published as part of Secondary education, general pupils, gaps filled. Statizoid updates them automatically from the source API.

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Secondary education, general pupils, gaps filled in IDA only. Statizoid, drawing on Statizoid (derived). Retrieved 28 August 2026, from https://education.statizoid.com/stat/secondary-education-general-pupils-gaps-filled/ida-only/

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How this figure is calculated

Secondary education, general pupils with 570 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, general pupils, gaps filled
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
247 places, 9,915 data points, 1970–2019
Last refreshed

Secondary education, general pupils with 570 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.