Iceland vs Portugal: Share of births outside marriage

Iceland
69.4
in 2019
Portugal
59.5
in 2023
Iceland rank
5th
Portugal rank
8th

Share of births outside marriage over time

  • Iceland
  • Portugal
020406080196019912023

How they compare

Iceland currently reports 69.4 against 59.5 in Portugal, a difference of 9.9.

That makes Iceland's figure about 1.2 times Portugal's.

Across all 57 years both countries report, Iceland has been ahead every year.

Iceland ranks 5th and Portugal ranks 8th of 43 countries.

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

Head to head by decade

Decade Iceland Portugal Difference Ahead
1960s 27.23 8.05 19.18 Iceland
1970s 33.74 7.36 26.38 Iceland
1980s 47.14 11.74 35.4 Iceland
1990s 60 17.87 42.13 Iceland
2000s 64.14 29.77 34.37 Iceland
2010s 68.13 50.01 18.11 Iceland

Averages of every year both report within each decade.

Frequently asked questions

Which has higher share of births outside marriage, Iceland or Portugal?
Iceland, at 69.4 against 59.5 in Portugal as of 2019.
What is the difference in share of births outside marriage between Iceland and Portugal?
9.9, with Iceland ahead.
How many years of comparable data are there for Iceland and Portugal?
57 years are reported by both, from 1960 to 2019.
How do Iceland and Portugal rank globally for share of births outside marriage?
Iceland ranks 5th and Portugal ranks 8th of 43 countries.
Where does this data come from?
Our World in Data, published as Share of births outside marriage. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Iceland vs Portugal: Share of births outside marriage. Statizoid, drawing on Our World in Data. Retrieved 12 November 2026, from https://population.statizoid.com/compare/share-of-births-outside-marriage/iceland/portugal/

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About this data

Indicator
Share of births outside marriage
Source
Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
43 places, 2,270 data points, 1960–2024
Last refreshed