Ireland vs Slovak Republic: Population by age groups
Ireland
5.44 million
in 2025
Slovak Republic
5.42 million
in 2025
Ireland rank
48th
Slovak Republic rank
49th
Population by age groups over time
- Ireland
- Slovak Republic
How they compare
Ireland currently reports 5.44 million against 5.42 million in Slovak Republic, a difference of 20,830.
The two have swapped places 1 time across 36 shared years of data; in 1990 it was Slovak Republic ahead.
Ireland ranks 48th and Slovak Republic ranks 49th of 74 countries.
Slovak Republic has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | Ireland | Slovak Republic | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 3.60 million | 5.34 million | 1.74 million | Slovak Republic |
| 2000s | 4.11 million | 5.38 million | 1.26 million | Slovak Republic |
| 2010s | 4.70 million | 5.42 million | 723,410 | Slovak Republic |
| 2020s | 5.22 million | 5.44 million | 221,360 | Slovak Republic |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher population by age groups, Ireland or Slovak Republic?
- Ireland, at 5.44 million against 5.42 million in Slovak Republic as of 2025.
- What is the difference in population by age groups between Ireland and Slovak Republic?
- 20,830, with Ireland ahead.
- How many years of comparable data are there for Ireland and Slovak Republic?
- 36 years are reported by both, from 1990 to 2025.
- How do Ireland and Slovak Republic rank globally for population by age groups?
- Ireland ranks 48th and Slovak Republic ranks 49th of 74 countries.
- Where does this data come from?
- UNICEF, published as Population by age groups. Statizoid refreshes it automatically from the source and publishes the full history for both places.