How many years of comparable data are there for IDA only and Viet Nam?

50 years are reported by both, from 1970 to 2019.

Where does this data come from?

UNESCO Institute for Statistics, published as School age population, pre-primary education, both sexes (number). Statizoid refreshes it automatically from the source and publishes the full history for both places.

IDA only vs Viet Nam: School age population, pre-primary education, both sexes

IDA only

80.96 million number

in 2019

Viet Nam

4.60 million number

in 2019

IDA only rank

14th

Viet Nam rank

15th

School age population, pre-primary education, both sexes over time

IDA only
Viet Nam

How they compare

IDA only currently reports 80.96 million number against 4.60 million number in Viet Nam, a difference of 76.36 million number.

That makes IDA only's figure about 17.6 times Viet Nam's.

Across all 50 years both countries report, IDA only has been ahead every year.

IDA only ranks 14th and Viet Nam ranks 15th of 45 groups.

IDA only has averaged higher in every one of the 5 decades both report.

Head to head by decade

Decade	IDA only	Viet Nam	Difference	Ahead
1970s	26.97 million number	4.29 million number	22.68 million number	IDA only
1980s	34.54 million number	4.86 million number	29.68 million number	IDA only
1990s	46.69 million number	5.44 million number	41.25 million number	IDA only
2000s	64.90 million number	4.28 million number	60.62 million number	IDA only
2010s	76.23 million number	4.39 million number	71.84 million number	IDA only

Averages of every year both report within each decade.

Frequently asked questions

Which has higher school age population, pre-primary education, both sexes, IDA only or Viet Nam?: IDA only, at 80.96 million number against 4.60 million number in Viet Nam as of 2019.
What is the difference in school age population, pre-primary education, both sexes between IDA only and Viet Nam?: 76.36 million number, with IDA only ahead.
How many years of comparable data are there for IDA only and Viet Nam?: 50 years are reported by both, from 1970 to 2019.
How do IDA only and Viet Nam rank globally for school age population, pre-primary education, both sexes?: IDA only ranks 14th and Viet Nam ranks 15th of 45 groups.
Where does this data come from?: UNESCO Institute for Statistics, published as School age population, pre-primary education, both sexes (number). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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IDA only vs Viet Nam: School age population, pre-primary education, both sexes. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 08 September 2026, from https://education.statizoid.com/compare/school-age-population-pre-primary-education-both-sexes-number/ida-only/viet-nam/

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<a href="https://education.statizoid.com/compare/school-age-population-pre-primary-education-both-sexes-number/ida-only/viet-nam/">IDA only vs Viet Nam: School age population, pre-primary education, both sexes</a> — Statizoid

About this data

Indicator: School age population, pre-primary education, both sexes (number)
Unit: number
Source: UNESCO Institute for Statistics
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 251 places, 12,152 data points, 1970–2020
Last refreshed: 04 September 2026

Population of the age-group theoretically corresponding to pre-primary education as indicated by theoretical entrance age and duration.