How many years of comparable data are there for Guyana and Yemen, Republic of?

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

Where does this data come from?

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

Guyana vs Yemen, Republic of: Theoretical duration of pre-primary education

Guyana

3 years

in 2019

Yemen, Republic of

3 years

in 2019

Guyana rank

21st

Yemen, Republic of rank

21st

Theoretical duration of pre-primary education over time

Guyana
Yemen, Republic of

How they compare

Guyana currently reports 3 years against 3 years in Yemen, Republic of, a difference of 0 years.

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

Guyana ranks 21st and Yemen, Republic of ranks 21st of 210 countries.

Yemen, Republic of has averaged higher in every one of the 5 decades both report.

Head to head by decade

Decade	Guyana	Yemen, Republic of	Difference	Ahead
1970s	2 years	3 years	1 years	Yemen, Republic of
1980s	2 years	3 years	1 years	Yemen, Republic of
1990s	2 years	3 years	1 years	Yemen, Republic of
2000s	2 years	3 years	1 years	Yemen, Republic of
2010s	2.6 years	3 years	0.4 years	Yemen, Republic of

Averages of every year both report within each decade.

Frequently asked questions

Which has higher theoretical duration of pre-primary education, Guyana or Yemen, Republic of?: Guyana, at 3 years against 3 years in Yemen, Republic of as of 2019.
What is the difference in theoretical duration of pre-primary education between Guyana and Yemen, Republic of?: 0 years, with Guyana ahead.
How many years of comparable data are there for Guyana and Yemen, Republic of?: 50 years are reported by both, from 1970 to 2019.
How do Guyana and Yemen, Republic of rank globally for theoretical duration of pre-primary education?: Guyana ranks 21st and Yemen, Republic of ranks 21st of 210 countries.
Where does this data come from?: UNESCO Institute for Statistics, published as Theoretical duration of pre-primary education (years). Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Guyana vs Yemen, Republic of: Theoretical duration of pre-primary education. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 18 August 2026, from https://reference.statizoid.com/compare/theoretical-duration-of-pre-primary-education-years/guyana/yemen-rep/

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About this data

Indicator: Theoretical duration of 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

Number of grades (years) in pre-primary education.