School age population, one year before than official primary entry age in OECD members

OECD members: School age population, one year before than official primary entry age was 16.23 million number in 2019. ▼ Falling

Latest (2019)
16.23 million number
Change on year
down 0.2%
Rank
23rd
of 43 groups
All-time high
18.07 million number
in 1970
All-time low
16.00 million number
in 2009
Years of data
50
1970–2019

School age population, one year before than official primary entry age in OECD members, 1970–2019

05.0M10.0M15.0M20.0M197019942019

Source: UNESCO Institute for Statistics. Measured in number.

Analysis

The most recent figure for school age population, one year before than official primary entry age in OECD members is 16.23 million number, measured in 2019.

That represents a change of down 0.2% on the previous year and up 1.4% over ten years.

Over the whole period, school age population, one year before than official primary entry age in OECD members peaked at 18.07 million number in 1970 and was at its lowest, 16.00 million number, in 2009.

OECD members ranks 23rd of 43 groups on this measure, in the middle of the range.

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

Averages by decade

DecadeAverage LowestHighest Years
1970s 17.76 million number 17.54 million number 18.07 million number 10
1980s 17.03 million number 16.77 million number 17.48 million number 10
1990s 16.92 million number 16.87 million number 16.97 million number 10
2000s 16.24 million number 16.00 million number 16.74 million number 10
2010s 16.22 million number 16.04 million number 16.33 million number 10

Countries ranked near OECD members

  1. 20 Türkiye 1.37 million number compare
  2. 21 Sudan 1.18 million number compare
  3. 22 South Africa 1.17 million number compare
  4. 23 Afghanistan 1.09 million number compare
  5. 24 Angola 1.08 million number compare
  6. 25 Iraq 1.07 million number compare
  7. 26 Mozambique 955,672 number compare

See the full ranking of 247 places →

More reference data data for OECD members

All data for OECD members →

Frequently asked questions

What is school age population, one year before than official primary entry age in OECD members?
School age population, one year before than official primary entry age in OECD members was 16.23 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 OECD members?
The highest recorded value was 18.07 million number in 1970.
What is the lowest school age population, one year before than official primary entry age recorded in OECD members?
The lowest recorded value was 16.00 million number in 2009.
How does OECD members rank for school age population, one year before than official primary entry age?
OECD members ranks 23rd out of 43 groups with data for 2019.
Is school age population, one year before than official primary entry age rising or falling in OECD members?
Over the last ten years it is up 1.4%. The long-run trend across the full record is falling.
Where does this OECD members 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 OECD members. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 21 August 2026, from https://reference.statizoid.com/stat/school-age-population-one-year-before-than-official-primary-entry-age-both-sexes-number/oecd-members/

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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/