Australia vs Italy: Share of children who were born outside of marriage

Australia
36.5%
in 2020
Italy
33.8%
in 2020
Australia rank
26th
Italy rank
27th

Share of children who were born outside of marriage over time

  • Australia
  • Italy
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How they compare

Australia currently reports 36.5% against 33.8% in Italy, a difference of 2.7%.

That makes Australia's figure about 1.1 times Italy's.

Across all 46 years both countries report, Australia has been ahead every year.

Australia ranks 26th and Italy ranks 27th of 42 countries.

Australia has averaged higher in every one of the 6 decades both report.

Head to head by decade

Decade Australia Italy Difference Ahead
1970s 10.7% 3.4% 7.3% Australia
1980s 15.8% 5.2% 10.6% Australia
1990s 25.9% 7.8% 18.1% Australia
2000s 32.5% 14.6% 17.9% Australia
2010s 34.6% 29.0% 5.6% Australia
2020s 36.5% 33.8% 2.7% Australia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher share of children who were born outside of marriage, Australia or Italy?
Australia, at 36.5% against 33.8% in Italy as of 2020.
What is the difference in share of children who were born outside of marriage between Australia and Italy?
2.7%, with Australia ahead.
How many years of comparable data are there for Australia and Italy?
46 years are reported by both, from 1975 to 2020.
How do Australia and Italy rank globally for share of children who were born outside of marriage?
Australia ranks 26th and Italy ranks 27th 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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Australia vs Italy: 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/australia/italy/

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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.