Belgium vs Netherlands: Share of children who were born outside of marriage

Belgium
52.4%
in 2018
Netherlands
53.5%
in 2020
Belgium rank
14th
Netherlands rank
13th

Share of children who were born outside of marriage over time

  • Belgium
  • Netherlands
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How they compare

Netherlands currently reports 53.5% against 52.4% in Belgium, a difference of 1.1%.

The two have swapped places 4 times across 59 shared years of data; in 1960 it was Belgium ahead.

Belgium ranks 14th and Netherlands ranks 13th of 42 countries.

Across the 6 decades both report, Belgium averaged higher in 5 and Netherlands in 1.

Head to head by decade

Decade Belgium Netherlands Difference Ahead
1960s 2.4% 1.8% 0.6% Belgium
1970s 3.1% 2.4% 0.8% Belgium
1980s 7.2% 7.7% 0.5% Netherlands
1990s 17.4% 15.8% 1.6% Belgium
2000s 37.6% 34.0% 3.5% Belgium
2010s 49.1% 48.4% 0.7% Belgium

Averages of every year both report within each decade.

Frequently asked questions

Which has higher share of children who were born outside of marriage, Belgium or Netherlands?
Netherlands, at 53.5% against 52.4% in Belgium as of 2020.
What is the difference in share of children who were born outside of marriage between Belgium and Netherlands?
1.1%, with Netherlands ahead.
How many years of comparable data are there for Belgium and Netherlands?
59 years are reported by both, from 1960 to 2018.
How do Belgium and Netherlands rank globally for share of children who were born outside of marriage?
Belgium ranks 14th and Netherlands ranks 13th 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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Belgium vs Netherlands: 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 29 August 2026, from https://population.statizoid.com/compare/share-of-births-outside-marriage/belgium/netherlands/

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<a href="https://population.statizoid.com/compare/share-of-births-outside-marriage/belgium/netherlands/">Belgium vs Netherlands: Share of children who were born outside of marriage</a> — Statizoid

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.