Ireland vs Slovakia: Population on 1 January by age group, sex and citizenship
Ireland
5.44 million Number
in 2025
Slovakia
5.42 million Number
in 2025
Ireland rank
25th
Slovakia rank
26th
Population on 1 January by age group, sex and citizenship over time
- Ireland
- Slovakia
How they compare
Ireland currently reports 5.44 million Number against 5.42 million Number in Slovakia, a difference of 20,830 Number.
The two have swapped places 1 time across 27 shared years of data; in 1999 it was Slovakia ahead.
Ireland ranks 25th and Slovakia ranks 26th of 42 countries.
Slovakia has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | Ireland | Slovakia | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 3.73 million Number | 5.39 million Number | 1.66 million Number | Slovakia |
| 2000s | 4.11 million Number | 5.39 million Number | 1.28 million Number | Slovakia |
| 2010s | 4.70 million Number | 5.43 million Number | 731,143 Number | Slovakia |
| 2020s | 5.22 million Number | 5.44 million Number | 221,360 Number | Slovakia |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher population on 1 january by age group, sex and citizenship, Ireland or Slovakia?
- Ireland, at 5.44 million Number against 5.42 million Number in Slovakia as of 2025.
- What is the difference in population on 1 january by age group, sex and citizenship between Ireland and Slovakia?
- 20,830 Number, with Ireland ahead.
- How many years of comparable data are there for Ireland and Slovakia?
- 27 years are reported by both, from 1999 to 2025.
- How do Ireland and Slovakia rank globally for population on 1 january by age group, sex and citizenship?
- Ireland ranks 25th and Slovakia ranks 26th of 42 countries.
- Where does this data come from?
- Eurostat, published as Population on 1 January by age group, sex and citizenship. Statizoid refreshes it automatically from the source and publishes the full history for both places.