School age population, secondary education, both sexes in Middle income
Middle income: School age population, secondary education, both sexes was 612.59 million number in 2019. ▲ Rising
Latest (2019)
612.59 million number
Change on year
up 0.4%
Rank
3rd
of 43 groups
All-time high
637.72 million number
in 2004
All-time low
331.44 million number
in 1970
Years of data
50
1970–2019
School age population, secondary education, both sexes in Middle income, 1970–2019
Source: UNESCO Institute for Statistics. Measured in number.
Analysis
In 2019, school age population, secondary education, both sexes in Middle income stood at 612.59 million number.
The figure is up 0.4% on the previous year and up 0.8% over ten years.
Over the whole period, school age population, secondary education, both sexes in Middle income peaked at 637.72 million number in 2004 and was at its lowest, 331.44 million number, in 1970.
That places Middle income 3rd out of 43 groups with data for 2019, putting it in the top 10%.
The long-run direction has been consistently rising across the 50 years of available data.
School age population, secondary education, both sexes in Middle income, year by year
| Year | number | Change |
|---|---|---|
| 1970 | 331.44 million number | — |
| 1971 | 335.66 million number | +1.3% |
| 1972 | 341.12 million number | +1.6% |
| 1973 | 348.15 million number | +2.1% |
| 1974 | 356.90 million number | +2.5% |
| 1975 | 366.79 million number | +2.8% |
| 1976 | 378.09 million number | +3.1% |
| 1977 | 406.32 million number | +7.5% |
| 1978 | 436.25 million number | +7.4% |
| 1979 | 449.05 million number | +2.9% |
| 1980 | 460.90 million number | +2.6% |
| 1981 | 472.68 million number | +2.6% |
| 1982 | 483.65 million number | +2.3% |
| 1983 | 493.77 million number | +2.1% |
| 1984 | 502.85 million number | +1.8% |
| 1985 | 511.15 million number | +1.7% |
| 1986 | 516.62 million number | +1.1% |
| 1987 | 521.36 million number | +0.9% |
| 1988 | 525.03 million number | +0.7% |
| 1989 | 526.98 million number | +0.4% |
| 1990 | 529.29 million number | +0.4% |
| 1991 | 530.41 million number | +0.2% |
| 1992 | 531.55 million number | +0.2% |
| 1993 | 534.92 million number | +0.6% |
| 1994 | 540.41 million number | +1.0% |
| 1995 | 547.32 million number | +1.3% |
| 1996 | 555.38 million number | +1.5% |
| 1997 | 565.93 million number | +1.9% |
| 1998 | 579.60 million number | +2.4% |
| 1999 | 590.91 million number | +2.0% |
| 2000 | 605.31 million number | +2.4% |
| 2001 | 618.49 million number | +2.2% |
| 2002 | 628.31 million number | +1.6% |
| 2003 | 634.37 million number | +1.0% |
| 2004 | 637.72 million number | +0.5% |
| 2005 | 636.20 million number | -0.2% |
| 2006 | 629.74 million number | -1.0% |
| 2007 | 620.85 million number | -1.4% |
| 2008 | 612.69 million number | -1.3% |
| 2009 | 607.78 million number | -0.8% |
| 2010 | 603.39 million number | -0.7% |
| 2011 | 601.78 million number | -0.3% |
| 2012 | 601.60 million number | -0.0% |
| 2013 | 601.10 million number | -0.1% |
| 2014 | 601.62 million number | +0.1% |
| 2015 | 602.03 million number | +0.1% |
| 2016 | 602.95 million number | +0.2% |
| 2017 | 606.59 million number | +0.6% |
| 2018 | 609.86 million number | +0.5% |
| 2019 | 612.59 million number | +0.4% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1970s | 374.98 million number | 331.44 million number | 449.05 million number | 10 |
| 1980s | 501.50 million number | 460.90 million number | 526.98 million number | 10 |
| 1990s | 550.57 million number | 529.29 million number | 590.91 million number | 10 |
| 2000s | 623.15 million number | 605.31 million number | 637.72 million number | 10 |
| 2010s | 604.35 million number | 601.10 million number | 612.59 million number | 10 |
Countries ranked near Middle income
More education data for Middle income
- Population ages 0-14 24.4% (2025)
- Primary education, teachers, gaps filled 25.11 million (2024)
- Population ages 15-64 66.5% (2025)
- School enrollment, primary 103.3% (2024)
- Primary education, teachers 25.11 million (2024)
- Primary education, teachers, per capita 0.0042 units per person (2024)
- Primary education, teachers, per unit of GDP 0 units per US$ of GDP (2024)
- School enrollment, primary, female 103.1% (2024)
- School enrollment, primary, male 103.5% (2024)
- Labor force, total, per capita 0.4541 units per person (2025)
Frequently asked questions
- What is school age population, secondary education, both sexes in Middle income?
- School age population, secondary education, both sexes in Middle income was 612.59 million number in 2019, according to UNESCO Institute for Statistics.
- What is the highest school age population, secondary education, both sexes recorded in Middle income?
- The highest recorded value was 637.72 million number in 2004.
- What is the lowest school age population, secondary education, both sexes recorded in Middle income?
- The lowest recorded value was 331.44 million number in 1970.
- How does Middle income rank for school age population, secondary education, both sexes?
- Middle income ranks 3rd out of 43 groups with data for 2019.
- Is school age population, secondary education, both sexes rising or falling in Middle income?
- Over the last ten years it is up 0.8%. The long-run trend across the full record is rising.
- Where does this Middle income data come from?
- The figures come from UNESCO Institute for Statistics, published as part of School age population, secondary education, both sexes (number). Statizoid updates them automatically from the source API.
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About this data
Population of the age-group theoretically corresponding to secondary education as indicated by theoretical entrance age and duration.