Croatia vs Poland: Share of children who were born outside of marriage

Croatia
22.8%
in 2020
Poland
26.4%
in 2020
Croatia rank
36th
Poland rank
34th

Share of children who were born outside of marriage over time

  • Croatia
  • Poland
510152025196019902020

How they compare

Poland currently reports 26.4% against 22.8% in Croatia, a difference of 3.6%.

That makes Poland's figure about 1.2 times Croatia's.

The two have swapped places 1 time across 35 shared years of data; in 1970 it was Croatia ahead.

Croatia ranks 36th and Poland ranks 34th of 42 countries.

Across the 6 decades both report, Croatia averaged higher in 2 and Poland in 4.

Head to head by decade

Decade Croatia Poland Difference Ahead
1970s 5.2% 4.8% 0.3% Croatia
1980s 5.5% 4.9% 0.6% Croatia
1990s 7.6% 9.1% 1.6% Poland
2000s 10.6% 16.9% 6.3% Poland
2010s 17.5% 23.7% 6.2% Poland
2020s 22.8% 26.4% 3.6% Poland

Averages of every year both report within each decade.

Frequently asked questions

Which has higher share of children who were born outside of marriage, Croatia or Poland?
Poland, at 26.4% against 22.8% in Croatia as of 2020.
What is the difference in share of children who were born outside of marriage between Croatia and Poland?
3.6%, with Poland ahead.
How many years of comparable data are there for Croatia and Poland?
35 years are reported by both, from 1970 to 2020.
How do Croatia and Poland rank globally for share of children who were born outside of marriage?
Croatia ranks 36th and Poland ranks 34th 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.

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Croatia vs Poland: Share of children who were born outside of marriage. Statizoid, drawing on OECD (2025); OECD (2024) – with minor processing by Our World in Data. Retrieved 30 August 2026, from https://population.statizoid.com/compare/share-of-births-outside-marriage/croatia/poland/

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About this data

Indicator
Share of children who were born outside of marriage
Unit
%
Source
OECD (2025); OECD (2024) – with minor processing by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
42 places, 2,139 data points, 1960–2021
Last refreshed

Share of all children born to mothers who were not married at the time of birth.