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Countries With the Highest Births Outside Marriage

Every country with a figure for births outside marriage, ranked from highest to lowest. The top three are Chile (75.1%), Costa Rica (72.5%) and Mexico (70.4%). The middle country of the 42 has 41.2%.

What this measures

Share of births outside marriage, in % of live births. Source: OECD. For this measure, no agreed better direction.

Live births to mothers who were not married at the time of the birth. A registered partnership counts as unmarried. So where couples register a partnership rather than marry, this partly measures which legal option is on offer. No "better" direction is set.

The full ranking

Each country’s latest figure, from 2013–2021. The year beside each value says when it was measured.

RankCountryBirths outside marriageYearRegion
1Chile75.1%2019Latin America & Caribbean
2Costa Rica72.5%2020Latin America & Caribbean
3Mexico70.4%2020Latin America & Caribbean
4Iceland69.4%2019Europe & Central Asia
5France62.2%2020Europe & Central Asia
6Bulgaria59.6%2020Europe & Central Asia
7Norway58.5%2020Europe & Central Asia
8Portugal57.9%2020Europe & Central Asia
9Slovenia56.5%2020Europe & Central Asia
10Sweden55.2%2020Europe & Central Asia
11Denmark54.2%2020Europe & Central Asia
12Estonia53.7%2019Europe & Central Asia
13Netherlands53.5%2020Europe & Central Asia
14Belgium52.4%2018Europe & Central Asia
15United Kingdom51.3%2021Europe & Central Asia
16New Zealand48.7%2021East Asia & Pacific
17Czechia48.5%2020Europe & Central Asia
18Spain47.6%2020Europe & Central Asia
19Finland46.1%2020Europe & Central Asia
20Luxembourg41.6%2020Europe & Central Asia
21Austria41.2%2020Europe & Central Asia
22Slovak Republic40.7%2020Europe & Central Asia
23United States40.5%2020North America
24Latvia39.5%2020Europe & Central Asia
25Ireland38.4%2019Europe & Central Asia
26Australia36.5%2020East Asia & Pacific
27Italy33.8%2020Europe & Central Asia
28Germany33.1%2020Europe & Central Asia
29Canada32.7%2020North America
30Romania32.5%2020Europe & Central Asia
31Hungary30.4%2020Europe & Central Asia
32Switzerland27.7%2020Europe & Central Asia
33Lithuania27%2020Europe & Central Asia
34Poland26.4%2020Europe & Central Asia
35Malta25.9%2013Middle East, North Africa, Afghanistan & Pakistan
36Croatia22.8%2020Europe & Central Asia
37Cyprus21.2%2019Europe & Central Asia
38Greece13.8%2020Europe & Central Asia
39Israel8.11%2019Middle East, North Africa, Afghanistan & Pakistan
40Korea, Rep.2.95%2021East Asia & Pacific
41Turkiye2.8%2020Europe & Central Asia
42Japan2.4%2020East Asia & Pacific

More on births outside marriage

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A ranking describes countries, not the people in them, and a high or low place does not by itself say why. All country rankings.