How many years of comparable data are there for IDA blend and Sudan?

21 years are reported by both, from 1999 to 2019.

Where does this data come from?

UNESCO Institute for Statistics, published as School age population, one year before than official primary entry age, both sexes (number). Statizoid refreshes it automatically from the source and publishes the full history for both places.

IDA blend vs Sudan: School age population, one year before than official primary entry

IDA blend

14.99 million number

in 2019

Sudan

1.18 million number

in 2020

IDA blend rank

24th

Sudan rank

21st

School age population, one year before than official primary entry over time

IDA blend
Sudan

How they compare

IDA blend currently reports 14.99 million number against 1.18 million number in Sudan, a difference of 13.81 million number.

That makes IDA blend's figure about 12.7 times Sudan's.

Across all 21 years both countries report, IDA blend has been ahead every year.

IDA blend ranks 24th and Sudan ranks 21st of 43 groups.

IDA blend has averaged higher in every one of the 3 decades both report.

Head to head by decade

Decade	IDA blend	Sudan	Difference	Ahead
1990s	10.38 million number	807,168 number	9.57 million number	IDA blend
2000s	11.39 million number	917,404 number	10.47 million number	IDA blend
2010s	13.76 million number	1.10 million number	12.66 million number	IDA blend

Averages of every year both report within each decade.

Frequently asked questions

Which has higher school age population, one year before than official primary entry, IDA blend or Sudan?: IDA blend, at 14.99 million number against 1.18 million number in Sudan as of 2019.
What is the difference in school age population, one year before than official primary entry between IDA blend and Sudan?: 13.81 million number, with IDA blend ahead.
How many years of comparable data are there for IDA blend and Sudan?: 21 years are reported by both, from 1999 to 2019.
How do IDA blend and Sudan rank globally for school age population, one year before than official primary entry?: IDA blend ranks 24th and Sudan ranks 21st of 43 groups.
Where does this data come from?: UNESCO Institute for Statistics, published as School age population, one year before than official primary entry age, both sexes (number). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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IDA blend vs Sudan: School age population, one year before than official primary entry. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 30 August 2026, from https://reference.statizoid.com/compare/school-age-population-one-year-before-than-official-primary-entry-age-both-sexes-number/ida-blend/sudan/

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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: 21 August 2026

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/