How many years of comparable data are there for Ireland and Liechtenstein, Principality 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.

Ireland vs Liechtenstein, Principality of: Theoretical duration of pre-primary education

Ireland

2 years

in 2020

Liechtenstein, Principality of

2 years

in 2019

Ireland rank

139th

Liechtenstein, Principality of rank

139th

Theoretical duration of pre-primary education over time

Ireland
Liechtenstein, Principality of

How they compare

Ireland currently reports 2 years against 2 years in Liechtenstein, Principality of, a difference of 0 years.

Across all 50 years both countries report, Liechtenstein, Principality of has been ahead every year.

Ireland ranks 139th and Liechtenstein, Principality of ranks 139th of 210 countries.

Liechtenstein, Principality of has averaged higher in every one of the 5 decades both report.

Head to head by decade

Decade	Ireland	Liechtenstein, Principality of	Difference	Ahead
1970s	2 years	2 years	0 years	—
1980s	2 years	2 years	0 years	—
1990s	1.8 years	2 years	0.2 years	Liechtenstein, Principality of
2000s	1 years	2 years	1 years	Liechtenstein, Principality of
2010s	1.3 years	2 years	0.7 years	Liechtenstein, Principality of

Averages of every year both report within each decade.

Frequently asked questions

Which has higher theoretical duration of pre-primary education, Ireland or Liechtenstein, Principality of?: Ireland, at 2 years against 2 years in Liechtenstein, Principality of as of 2020.
What is the difference in theoretical duration of pre-primary education between Ireland and Liechtenstein, Principality of?: 0 years, with Ireland ahead.
How many years of comparable data are there for Ireland and Liechtenstein, Principality of?: 50 years are reported by both, from 1970 to 2019.
How do Ireland and Liechtenstein, Principality of rank globally for theoretical duration of pre-primary education?: Ireland ranks 139th and Liechtenstein, Principality of 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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Ireland vs Liechtenstein, Principality of: 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/ireland/liechtenstein/

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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.