Ireland vs Slovakia: Share of children who were born outside of marriage
Ireland
38.4%
in 2019
Slovakia
40.7%
in 2020
Ireland rank
25th
Slovakia rank
22nd
Share of children who were born outside of marriage over time
- Ireland
- Slovakia
How they compare
Slovakia currently reports 40.7% against 38.4% in Ireland, a difference of 2.3%.
That makes Slovakia's figure about 1.1 times Ireland's.
The two have swapped places 2 times across 60 shared years of data; in 1960 it was Slovakia ahead.
Ireland ranks 25th and Slovakia ranks 22nd of 42 countries.
Across the 6 decades both report, Ireland averaged higher in 3 and Slovakia in 3.
Head to head by decade
| Decade | Ireland | Slovakia | Difference | Ahead |
|---|---|---|---|---|
| 1960s | 2.1% | 5.2% | 3.1% | Slovakia |
| 1970s | 3.5% | 5.4% | 1.9% | Slovakia |
| 1980s | 8.9% | 6.4% | 2.5% | Ireland |
| 1990s | 22.4% | 12.2% | 10.2% | Ireland |
| 2000s | 32.1% | 25.2% | 7.0% | Ireland |
| 2010s | 36.2% | 37.8% | 1.6% | Slovakia |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher share of children who were born outside of marriage, Ireland or Slovakia?
- Slovakia, at 40.7% against 38.4% in Ireland as of 2020.
- What is the difference in share of children who were born outside of marriage between Ireland and Slovakia?
- 2.3%, with Slovakia ahead.
- How many years of comparable data are there for Ireland and Slovakia?
- 60 years are reported by both, from 1960 to 2019.
- How do Ireland and Slovakia rank globally for share of children who were born outside of marriage?
- Ireland ranks 25th and Slovakia ranks 22nd of 42 countries.
- Where does this data come from?
- OECD (2025); OECD (2024) – with minor processing by Our World in Data, published as Share of children who were born outside of marriage. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Share of all children born to mothers who were not married at the time of birth.