School age population, one year before than official primary entry age in IDA only

IDA only: School age population, one year before than official primary entry age was 28.87 million number in 2019. ▲ Rising

Latest (2019)
28.87 million number
Change on year
up 1.3%
Rank
18th
of 43 groups
All-time high
28.87 million number
in 2019
All-time low
10.83 million number
in 1970
Years of data
50
1970–2019

School age population, one year before than official primary entry age in IDA only, 1970–2019

010.0M20.0M30.0M197019942019

Source: UNESCO Institute for Statistics. Measured in number.

Analysis

IDA only recorded 28.87 million number for school age population, one year before than official primary entry age in 2019. That is the highest value across all 50 years on record.

Compared with earlier readings it is up 1.3% on the previous year and up 16.2% over ten years.

Over the whole period, school age population, one year before than official primary entry age in IDA only peaked at 28.87 million number in 2019 and was at its lowest, 10.83 million number, in 1970.

That places IDA only 18th out of 43 groups with data for 2019, putting it 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 official primary entry age in IDA only, year by year

Annual values for School age population, one year before than official primary entry age, both sexes (number) in IDA only, 1970 to 2019.
Year number Change
1970 10.83 million number
1971 11.06 million number +2.2%
1972 11.36 million number +2.6%
1973 11.62 million number +2.4%
1974 11.87 million number +2.1%
1975 12.07 million number +1.7%
1976 12.31 million number +2.0%
1977 12.62 million number +2.5%
1978 12.92 million number +2.4%
1979 13.22 million number +2.3%
1980 13.50 million number +2.1%
1981 13.81 million number +2.3%
1982 14.08 million number +2.0%
1983 14.44 million number +2.5%
1984 14.79 million number +2.4%
1985 15.11 million number +2.1%
1986 15.44 million number +2.2%
1987 15.88 million number +2.8%
1988 16.31 million number +2.7%
1989 16.73 million number +2.6%
1990 17.11 million number +2.3%
1991 17.48 million number +2.2%
1992 17.91 million number +2.4%
1993 18.30 million number +2.2%
1994 18.66 million number +1.9%
1995 18.96 million number +1.6%
1996 19.27 million number +1.6%
1997 19.65 million number +2.0%
1998 20.06 million number +2.1%
1999 20.41 million number +1.7%
2000 20.77 million number +1.8%
2001 21.16 million number +1.9%
2002 21.64 million number +2.3%
2003 22.15 million number +2.3%
2004 22.62 million number +2.1%
2005 23.04 million number +1.9%
2006 23.46 million number +1.8%
2007 23.95 million number +2.1%
2008 24.42 million number +2.0%
2009 24.86 million number +1.8%
2010 25.26 million number +1.6%
2011 25.65 million number +1.5%
2012 26.06 million number +1.6%
2013 26.48 million number +1.6%
2014 26.88 million number +1.5%
2015 27.27 million number +1.4%
2016 27.65 million number +1.4%
2017 28.07 million number +1.5%
2018 28.49 million number +1.5%
2019 28.87 million number +1.3%

Averages by decade

DecadeAverage LowestHighest Years
1970s 11.99 million number 10.83 million number 13.22 million number 10
1980s 15.01 million number 13.50 million number 16.73 million number 10
1990s 18.78 million number 17.11 million number 20.41 million number 10
2000s 22.81 million number 20.77 million number 24.86 million number 10
2010s 27.07 million number 25.26 million number 28.87 million number 10

Countries ranked near IDA only

  1. 15 Tanzania, United Republic of 1.76 million number compare
  2. 16 Viet Nam 1.54 million number compare
  3. 17 Uganda 1.48 million number compare
  4. 18 Iran, Islamic Republic of 1.41 million number compare
  5. 19 Kenya 1.40 million number compare
  6. 20 Türkiye 1.37 million number compare
  7. 21 Sudan 1.18 million number compare

See the full ranking of 247 places →

More reference data data for IDA only

All data for IDA only →

Frequently asked questions

What is school age population, one year before than official primary entry age in IDA only?
School age population, one year before than official primary entry age in IDA only was 28.87 million number in 2019, according to UNESCO Institute for Statistics.
What is the highest school age population, one year before than official primary entry age recorded in IDA only?
The highest recorded value was 28.87 million number in 2019.
What is the lowest school age population, one year before than official primary entry age recorded in IDA only?
The lowest recorded value was 10.83 million number in 1970.
How does IDA only rank for school age population, one year before than official primary entry age?
IDA only ranks 18th out of 43 groups with data for 2019.
Is school age population, one year before than official primary entry age rising or falling in IDA only?
Over the last ten years it is up 16.2%. The long-run trend across the full record is rising.
Where does this IDA only 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 age in IDA only. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 22 August 2026, from https://reference.statizoid.com/stat/school-age-population-one-year-before-than-official-primary-entry-age-both-sexes-number/ida-only/

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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/