How many years of comparable data are there for Chad and Democratic Republic of the Congo?

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

Where does this data come from?

UNESCO Institute for Statistics, published as Official entrance age to pre-primary education (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.

Chad vs Democratic Republic of the Congo: Official entrance age to pre-primary education

Chad

3 years

in 2019

Democratic Republic of the Congo

3 years

in 2019

Chad rank

58th

Democratic Republic of the Congo rank

58th

Official entrance age to pre-primary education over time

Chad
Democratic Republic of the Congo

How they compare

Chad currently reports 3 years against 3 years in Democratic Republic of the Congo, a difference of 0 years.

Across all 50 years both countries report, Democratic Republic of the Congo has been ahead every year.

Chad ranks 58th and Democratic Republic of the Congo ranks 58th of 210 countries.

Head to head by decade

Decade	Chad	Democratic Republic of the Congo	Ahead
1970s	3 years	3 years	—
1980s	3 years	3 years	—
1990s	3 years	3 years	—
2000s	3 years	3 years	—
2010s	3 years	3 years	—

Averages of every year both report within each decade.

Frequently asked questions

Which has higher official entrance age to pre-primary education, Chad or Democratic Republic of the Congo?: Chad, at 3 years against 3 years in Democratic Republic of the Congo as of 2019.
What is the difference in official entrance age to pre-primary education between Chad and Democratic Republic of the Congo?: 0 years, with Chad ahead.
How many years of comparable data are there for Chad and Democratic Republic of the Congo?: 50 years are reported by both, from 1970 to 2019.
How do Chad and Democratic Republic of the Congo rank globally for official entrance age to pre-primary education?: Chad ranks 58th and Democratic Republic of the Congo ranks 58th of 210 countries.
Where does this data come from?: UNESCO Institute for Statistics, published as Official entrance age to pre-primary education (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Chad vs Democratic Republic of the Congo: Official entrance age to pre-primary education. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 18 August 2026, from https://reference.statizoid.com/compare/official-entrance-age-to-pre-primary-education-years/chad/congo-dem-rep/

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<a href="https://reference.statizoid.com/compare/official-entrance-age-to-pre-primary-education-years/chad/congo-dem-rep/">Chad vs Democratic Republic of the Congo: Official entrance age to pre-primary education</a> — Statizoid

About this data

Indicator: Official entrance age to pre-primary education (years)
Unit: years
Source: UNESCO Institute for Statistics
Licence: CC BY 4.0 (World Bank Open Data)
Coverage: 210 places, 10,271 data points, 1970–2020
Last refreshed: 07 August 2026

Age at which students would enter pre-primary education.