Ireland vs Slovakia: Usually resident population on 1 January
Ireland
5.51 million
in 2026
Slovakia
5.46 million
in 2025
Ireland rank
21st
Slovakia rank
22nd
Usually resident population on 1 January over time
- Ireland
- Slovakia
How they compare
Ireland currently reports 5.51 million against 5.46 million in Slovakia, a difference of 54,810.
Across all 12 years both countries report, Slovakia has been ahead every year.
Ireland ranks 21st and Slovakia ranks 22nd of 36 countries.
Slovakia has averaged higher in every one of the 2 decades both report.
Head to head by decade
| Decade | Ireland | Slovakia | Difference | Ahead |
|---|---|---|---|---|
| 2010s | 4.73 million | 5.42 million | 689,498 | Slovakia |
| 2020s | 5.17 million | 5.45 million | 283,572 | Slovakia |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher usually resident population on 1 january, Ireland or Slovakia?
- Ireland, at 5.51 million against 5.46 million in Slovakia as of 2026.
- What is the difference in usually resident population on 1 january between Ireland and Slovakia?
- 54,810, with Ireland ahead.
- How many years of comparable data are there for Ireland and Slovakia?
- 12 years are reported by both, from 2014 to 2025.
- How do Ireland and Slovakia rank globally for usually resident population on 1 january?
- Ireland ranks 21st and Slovakia ranks 22nd of 36 countries.
- Where does this data come from?
- Eurostat, published as Usually resident population on 1 January. Statizoid refreshes it automatically from the source and publishes the full history for both places.