Slovakia vs United States of America: Share of children who were born outside of marriage

Slovakia
40.7%
in 2020
United States of America
40.5%
in 2020
Slovakia rank
22nd
United States of America rank
23rd

Share of children who were born outside of marriage over time

  • Slovakia
  • United States of America
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How they compare

Slovakia currently reports 40.7% against 40.5% in United States of America, a difference of 0.2%.

The two have swapped places 1 time across 61 shared years of data; in 1960 it was United States of America ahead.

Slovakia ranks 22nd and United States of America ranks 23rd of 42 countries.

Across the 7 decades both report, Slovakia averaged higher in 1 and United States of America in 6.

Head to head by decade

Decade Slovakia United States of America Difference Ahead
1960s 5.2% 7.5% 2.3% United States of America
1970s 5.4% 13.9% 8.4% United States of America
1980s 6.4% 22.1% 15.7% United States of America
1990s 12.2% 31.4% 19.1% United States of America
2000s 25.2% 36.8% 11.6% United States of America
2010s 37.8% 40.2% 2.5% United States of America
2020s 40.7% 40.5% 0.2% 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, Slovakia or United States of America?
Slovakia, at 40.7% against 40.5% in United States of America as of 2020.
What is the difference in share of children who were born outside of marriage between Slovakia and United States of America?
0.2%, with Slovakia ahead.
How many years of comparable data are there for Slovakia and United States of America?
61 years are reported by both, from 1960 to 2020.
How do Slovakia and United States of America rank globally for share of children who were born outside of marriage?
Slovakia ranks 22nd and United States of America ranks 23rd 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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Slovakia vs United States of America: 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 09 September 2026, from https://population.statizoid.com/compare/share-of-births-outside-marriage/slovak-republic/united-states/

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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.