Which has higher average age of mothers at childbirth, Belgium or United Kingdom?

Belgium, at 31.01 years against 30.91 years in United Kingdom as of 2023.

How many years of comparable data are there for Belgium and United Kingdom?

74 years are reported by both, from 1950 to 2023.

Where does this data come from?

Human Fertility Database (2026); UN, World Population Prospects (2024) – with major processing by Our World in Data, published as Average age of mothers at childbirth. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Belgium vs United Kingdom: Average age of mothers at childbirth

Belgium

31.01 years

in 2023

United Kingdom

30.91 years

in 2023

Belgium rank

39th

United Kingdom rank

42nd

Average age of mothers at childbirth over time

Belgium
United Kingdom

How they compare

Belgium currently reports 31.01 years against 30.91 years in United Kingdom, a difference of 0.1 years.

The two have swapped places 2 times across 74 shared years of data; in 1950 it was Belgium ahead.

Belgium ranks 39th and United Kingdom ranks 42nd of 236 countries.

Across the 8 decades both report, Belgium averaged higher in 7 and United Kingdom in 1.

Head to head by decade

Decade	Belgium	United Kingdom	Difference	Ahead
1950s	28.5 years	27.97 years	0.5358 years	Belgium
1960s	27.66 years	27.33 years	0.3331 years	Belgium
1970s	26.77 years	26.67 years	0.1017 years	Belgium
1980s	27.14 years	27.26 years	0.1189 years	United Kingdom
1990s	28.34 years	28.07 years	0.2738 years	Belgium
2000s	29.22 years	28.99 years	0.2325 years	Belgium
2010s	30.29 years	30.14 years	0.1517 years	Belgium
2020s	30.94 years	30.87 years	0.0755 years	Belgium

Averages of every year both report within each decade.

Frequently asked questions

Which has higher average age of mothers at childbirth, Belgium or United Kingdom?: Belgium, at 31.01 years against 30.91 years in United Kingdom as of 2023.
What is the difference in average age of mothers at childbirth between Belgium and United Kingdom?: 0.1 years, with Belgium ahead.
How many years of comparable data are there for Belgium and United Kingdom?: 74 years are reported by both, from 1950 to 2023.
How do Belgium and United Kingdom rank globally for average age of mothers at childbirth?: Belgium ranks 39th and United Kingdom ranks 42nd of 236 countries.
Where does this data come from?: Human Fertility Database (2026); UN, World Population Prospects (2024) – with major processing by Our World in Data, published as Average age of mothers at childbirth. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Belgium vs United Kingdom: Average age of mothers at childbirth. Statizoid, drawing on Human Fertility Database (2026); UN, World Population Prospects (2024) – with major processing by Our World in Data. Retrieved 09 November 2026, from https://reference.statizoid.com/compare/period-average-age-of-mothers/belgium/united-kingdom/

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<a href="https://reference.statizoid.com/compare/period-average-age-of-mothers/belgium/united-kingdom/">Belgium vs United Kingdom: Average age of mothers at childbirth</a> — Statizoid

About this data

Indicator: Average age of mothers at childbirth
Unit: years
Source: Human Fertility Database (2026); UN, World Population Prospects (2024) – with major processing by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 236 places, 17,683 data points, 1891–2023
Last refreshed: 30 October 2026

Mean age of mothers at the birth of their children if women were subject throughout their lives to the age-specific fertility rates observed in a given year.