Croatia vs Slovakia: Population by age
Croatia
3.87 million
in 2025
Slovakia
5.42 million
in 2025
Croatia rank
51st
Slovakia rank
49th
Population by age over time
- Croatia
- Slovakia
How they compare
Slovakia currently reports 5.42 million against 3.87 million in Croatia, a difference of 1.55 million.
That makes Slovakia's figure about 1.4 times Croatia's.
Across all 36 years both countries report, Slovakia has been ahead every year.
Croatia ranks 51st and Slovakia ranks 49th of 74 countries.
Slovakia has averaged higher in every one of the 4 decades both report.
Head to head by decade
| Decade | Croatia | Slovakia | Difference | Ahead |
|---|---|---|---|---|
| 1990s | 4.62 million | 5.34 million | 723,994 | Slovakia |
| 2000s | 4.33 million | 5.38 million | 1.05 million | Slovakia |
| 2010s | 4.17 million | 5.42 million | 1.25 million | Slovakia |
| 2020s | 3.88 million | 5.44 million | 1.56 million | Slovakia |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher population by age, Croatia or Slovakia?
- Slovakia, at 5.42 million against 3.87 million in Croatia as of 2025.
- What is the difference in population by age between Croatia and Slovakia?
- 1.55 million, with Slovakia ahead.
- How many years of comparable data are there for Croatia and Slovakia?
- 36 years are reported by both, from 1990 to 2025.
- How do Croatia and Slovakia rank globally for population by age?
- Croatia ranks 51st and Slovakia ranks 49th of 74 countries.
- Where does this data come from?
- UNICEF, published as Population by age. Statizoid refreshes it automatically from the source and publishes the full history for both places.