School age population, one year before than … both sexes than in Least developed countries

Least developed countries: School age population, one year before than … both sexes than was 27.34 million number in 2019. ▲ Rising

Latest (2019)
27.34 million number
Change on year
up 1.4%
Rank
21st
of 45 groups
All-time high
27.34 million number
in 2019
All-time low
10.01 million number
in 1970
Years of data
50
1970–2019

School age population, one year before than official primary entry in Least developed countries, 1970–2019

010.0M20.0M30.0M197019942019

Source: UNESCO Institute for Statistics. Measured in number.

Analysis

The most recent figure for school age population, one year before than official primary entry in Least developed countries is 27.34 million number, measured in 2019. That is the highest value across all 50 years on record.

That represents a change of up 1.4% on the previous year and up 17.8% over ten years.

Over the whole period, school age population, one year before than official primary entry in Least developed countries peaked at 27.34 million number in 2019 and was at its lowest, 10.01 million number, in 1970.

Least developed countries ranks 21st of 45 groups on this measure, in the middle of the range.

The long-run direction has been consistently rising across the 50 years of available data.

School age population, one year before than … both sexes than in Least developed countries, year by year

Annual values for School age population, one year before than official primary entry age, both sexes (number) in Least developed countries, 1970 to 2019.
Year number Change
1970 10.01 million number —
1971 10.22 million number +2.1%
1972 10.48 million number +2.5%
1973 10.72 million number +2.3%
1974 10.94 million number +2.0%
1975 11.12 million number +1.7%
1976 11.34 million number +2.0%
1977 11.63 million number +2.5%
1978 11.91 million number +2.4%
1979 12.18 million number +2.3%
1980 12.44 million number +2.1%
1981 12.72 million number +2.3%
1982 12.95 million number +1.8%
1983 13.27 million number +2.4%
1984 13.58 million number +2.4%
1985 13.87 million number +2.1%
1986 14.18 million number +2.2%
1987 14.58 million number +2.8%
1988 14.98 million number +2.8%
1989 15.37 million number +2.6%
1990 15.72 million number +2.3%
1991 16.06 million number +2.2%
1992 16.46 million number +2.5%
1993 16.83 million number +2.2%
1994 17.15 million number +1.9%
1995 17.44 million number +1.6%
1996 17.73 million number +1.7%
1997 18.10 million number +2.1%
1998 18.49 million number +2.2%
1999 18.83 million number +1.8%
2000 19.19 million number +1.9%
2001 19.57 million number +2.0%
2002 20.04 million number +2.4%
2003 20.52 million number +2.4%
2004 20.98 million number +2.2%
2005 21.39 million number +1.9%
2006 21.81 million number +2.0%
2007 22.30 million number +2.2%
2008 22.77 million number +2.1%
2009 23.22 million number +2.0%
2010 23.63 million number +1.8%
2011 24.03 million number +1.7%
2012 24.46 million number +1.8%
2013 24.90 million number +1.8%
2014 25.32 million number +1.7%
2015 25.72 million number +1.6%
2016 26.12 million number +1.5%
2017 26.55 million number +1.6%
2018 26.97 million number +1.6%
2019 27.34 million number +1.4%

Averages by decade

DecadeAverage LowestHighest Years
1970s 11.05 million number 10.01 million number 12.18 million number 10
1980s 13.79 million number 12.44 million number 15.37 million number 10
1990s 17.28 million number 15.72 million number 18.83 million number 10
2000s 21.18 million number 19.19 million number 23.22 million number 10
2010s 25.50 million number 23.63 million number 27.34 million number 10

Countries ranked near Least developed countries

  1. 18 Iran 1.41 million number compare
  2. 19 Kenya 1.40 million number compare
  3. 20 Turkey 1.37 million number compare
  4. 21 Sudan 1.18 million number compare
  5. 22 South Africa 1.17 million number compare
  6. 23 Afghanistan 1.09 million number compare
  7. 24 Angola 1.08 million number compare

See the full ranking of 247 places →

More reference data data for Least developed countries

All data for Least developed countries →

Frequently asked questions

What is school age population, one year before than official primary entry in Least developed countries?
School age population, one year before than official primary entry in Least developed countries was 27.34 million number in 2019, according to UNESCO Institute for Statistics.
What is the highest school age population, one year before than official primary entry recorded in Least developed countries?
The highest recorded value was 27.34 million number in 2019.
What is the lowest school age population, one year before than official primary entry recorded in Least developed countries?
The lowest recorded value was 10.01 million number in 1970.
How does Least developed countries rank for school age population, one year before than official primary entry?
Least developed countries ranks 21st out of 45 groups with data for 2019.
Is school age population, one year before than official primary entry rising or falling in Least developed countries?
Over the last ten years it is up 17.8%. The long-run trend across the full record is rising.
Where does this Least developed countries data come from?
The figures come from UNESCO Institute for Statistics, published as part of School age population, one year before than official primary entry age, both sexes (number). Statizoid updates them automatically from the source API.

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School age population, one year before than official primary entry in Least developed countries. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 10 October 2026, from https://reference.statizoid.com/stat/school-age-population-one-year-before-than-official-primary-entry-age-both-sexes-number/least-developed-countries-un-classification/

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About this data

Indicator
School age population, one year before than official primary entry age, both sexes (number)
Unit
number
Source
UNESCO Institute for Statistics
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
247 places, 12,237 data points, 1970–2020
Last refreshed

Population of the age-group theoretically corresponding to one year before the official primary entry age as indicated by theoretical entrance age and duration. For more information, consult the UNESCO Institute of Statistics website: http://www.uis.unesco.org/Education/