What is the difference in theoretical duration of pre-primary education between Eritrea, The State of and Sri Lanka?

0 years, with Eritrea, The State of ahead.

How many years of comparable data are there for Eritrea, The State of and Sri Lanka?

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.

Eritrea, The State of vs Sri Lanka: Theoretical duration of pre-primary education

Eritrea, The State of

2 years

in 2019

Sri Lanka

2 years

in 2019

Eritrea, The State of rank

139th

Sri Lanka rank

139th

Theoretical duration of pre-primary education over time

Eritrea, The State of
Sri Lanka

How they compare

Eritrea, The State of currently reports 2 years against 2 years in Sri Lanka, a difference of 0 years.

The two have swapped places 1 time across 50 shared years of data; in 1970 it was Eritrea, The State of ahead.

Eritrea, The State of ranks 139th and Sri Lanka ranks 139th of 210 countries.

Eritrea, The State of has averaged higher in every one of the 5 decades both report.

Head to head by decade

Decade	Eritrea, The State of	Sri Lanka	Difference	Ahead
1970s	2 years	1 years	1 years	Eritrea, The State of
1980s	2 years	1 years	1 years	Eritrea, The State of
1990s	2 years	1 years	1 years	Eritrea, The State of
2000s	2 years	1 years	1 years	Eritrea, The State of
2010s	2 years	2 years	0 years	—

Averages of every year both report within each decade.

Frequently asked questions

Which has higher theoretical duration of pre-primary education, Eritrea, The State of or Sri Lanka?: Eritrea, The State of, at 2 years against 2 years in Sri Lanka as of 2019.
What is the difference in theoretical duration of pre-primary education between Eritrea, The State of and Sri Lanka?: 0 years, with Eritrea, The State of ahead.
How many years of comparable data are there for Eritrea, The State of and Sri Lanka?: 50 years are reported by both, from 1970 to 2019.
How do Eritrea, The State of and Sri Lanka rank globally for theoretical duration of pre-primary education?: Eritrea, The State of ranks 139th and Sri Lanka ranks 139th 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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Eritrea, The State of vs Sri Lanka: Theoretical duration of pre-primary education. Statizoid, drawing on UNESCO Institute for Statistics. Retrieved 19 August 2026, from https://reference.statizoid.com/compare/theoretical-duration-of-pre-primary-education-years/eritrea/sri-lanka/

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<a href="https://reference.statizoid.com/compare/theoretical-duration-of-pre-primary-education-years/eritrea/sri-lanka/">Eritrea, The State of vs Sri Lanka: Theoretical duration of pre-primary education</a> — Statizoid

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.