Ireland vs Slovakia: Population on 1 January by age group and sex
Ireland
5.44 million Number
in 2025
Slovakia
5.42 million Number
in 2025
Ireland rank
32nd
Slovakia rank
33rd
Population on 1 January by age group and sex 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 66 shared years of data; in 1960 it was Slovakia ahead.
Ireland ranks 32nd and Slovakia ranks 33rd of 60 countries.
Slovakia has averaged higher in every one of the 7 decades both report.
Head to head by decade
| Decade | Ireland | Slovakia | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 2.87 million Number | 4.31 million Number | 1.44 million Number | Slovakia |
| 1970s | 3.14 million Number | 4.70 million Number | 1.56 million Number | Slovakia |
| 1980s | 3.50 million Number | 5.12 million Number | 1.62 million Number | Slovakia |
| 1990s | 3.60 million Number | 5.34 million Number | 1.74 million Number | Slovakia |
| 2000s | 4.11 million Number | 5.38 million Number | 1.26 million Number | Slovakia |
| 2010s | 4.70 million Number | 5.42 million Number | 723,410 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 and sex, 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 and sex between Ireland and Slovakia?
- 20,830 Number, with Ireland ahead.
- How many years of comparable data are there for Ireland and Slovakia?
- 66 years are reported by both, from 1960 to 2025.
- How do Ireland and Slovakia rank globally for population on 1 january by age group and sex?
- Ireland ranks 32nd and Slovakia ranks 33rd of 60 countries.
- Where does this data come from?
- Eurostat, published as Population on 1 January by age group and sex. Statizoid refreshes it automatically from the source and publishes the full history for both places.