Which has higher population, Ireland or Slovak Republic?

Slovak Republic, at 5.42 million against 5.38 million in Ireland as of 2024.

What is the difference in population between Ireland and Slovak Republic?

41,810, with Slovak Republic ahead.

How many years of comparable data are there for Ireland and Slovak Republic?

65 years are reported by both, from 1960 to 2024.

Where does this data come from?

International Monetary Fund, published as Population. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Ireland vs Slovak Republic: Population

Ireland

5.38 million

in 2024

Slovak Republic

5.42 million

in 2024

Ireland rank

117th

Slovak Republic rank

116th

Population over time

Ireland
Slovak Republic

How they compare

Slovak Republic currently reports 5.42 million against 5.38 million in Ireland, a difference of 41,810.

Across all 65 years both countries report, Slovak Republic has been ahead every year.

Ireland ranks 117th and Slovak Republic ranks 116th of 186 countries.

Slovak Republic has averaged higher in every one of the 7 decades both report.

Head to head by decade

Decade	Ireland	Slovak Republic	Difference	Ahead
1960s	2.87 million	4.33 million	1.46 million	Slovak Republic
1970s	3.16 million	4.72 million	1.56 million	Slovak Republic
1980s	3.50 million	5.14 million	1.63 million	Slovak Republic
1990s	3.62 million	5.35 million	1.73 million	Slovak Republic
2000s	4.15 million	5.38 million	1.22 million	Slovak Republic
2010s	4.72 million	5.42 million	703,625	Slovak Republic
2020s	5.21 million	5.44 million	227,122	Slovak Republic

Averages of every year both report within each decade.

Frequently asked questions

Which has higher population, Ireland or Slovak Republic?: Slovak Republic, at 5.42 million against 5.38 million in Ireland as of 2024.
What is the difference in population between Ireland and Slovak Republic?: 41,810, with Slovak Republic ahead.
How many years of comparable data are there for Ireland and Slovak Republic?: 65 years are reported by both, from 1960 to 2024.
How do Ireland and Slovak Republic rank globally for population?: Ireland ranks 117th and Slovak Republic ranks 116th of 186 countries.
Where does this data come from?: International Monetary Fund, published as Population. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Ireland vs Slovak Republic: Population. Statizoid, drawing on International Monetary Fund. Retrieved 18 August 2026, from https://gender.statizoid.com/compare/population-5/ireland/slovak-republic/

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About this data

Indicator: Population
Source: International Monetary Fund
Licence: IMF Terms and Conditions (attribution required)
Coverage: 186 places, 12,090 data points, 1960–2024
Last refreshed: 18 August 2026

Data on Gender-disaggregated on selected population characteristics.