Belgium vs United Kingdom of Great Britain and Northern Ireland: Average age of mothers at childbirth by birth order

Belgium
29.42 years
in 2022
United Kingdom of Great Britain and Northern Ireland
29.24 years
in 2022
Belgium rank
17th
United Kingdom of Great Britain and Northern Ireland rank
18th

Average age of mothers at childbirth by birth order over time

  • Belgium
  • United Kingdom of Great Britain and Northern Ireland
0102030199820102022

How they compare

Belgium currently reports 29.42 years against 29.24 years in United Kingdom of Great Britain and Northern Ireland, a difference of 0.18 years.

The two have swapped places 4 times across 10 shared years of data; in 2013 it was Belgium ahead.

Belgium ranks 17th and United Kingdom of Great Britain and Northern Ireland ranks 18th of 33 countries.

Belgium has averaged higher in every one of the 2 decades both report.

Head to head by decade

Decade Belgium United Kingdom of Great Britain and Northern Ireland Difference Ahead
2010s 28.77 years 28.74 years 0.0343 years Belgium
2020s 29.31 years 29.23 years 0.0833 years Belgium

Averages of every year both report within each decade.

Frequently asked questions

Which has higher average age of mothers at childbirth by birth order, Belgium or United Kingdom of Great Britain and Northern Ireland?
Belgium, at 29.42 years against 29.24 years in United Kingdom of Great Britain and Northern Ireland as of 2022.
What is the difference in average age of mothers at childbirth by birth order between Belgium and United Kingdom of Great Britain and Northern Ireland?
0.18 years, with Belgium ahead.
How many years of comparable data are there for Belgium and United Kingdom of Great Britain and Northern Ireland?
10 years are reported by both, from 2013 to 2022.
How do Belgium and United Kingdom of Great Britain and Northern Ireland rank globally for average age of mothers at childbirth by birth order?
Belgium ranks 17th and United Kingdom of Great Britain and Northern Ireland ranks 18th of 33 countries.
Where does this data come from?
Human Fertility Database (2025) – processed by Our World in Data, published as Average age of mothers at childbirth by birth order. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Belgium vs United Kingdom of Great Britain and Northern Ireland: Average age of mothers at childbirth by birth order. Statizoid, drawing on Human Fertility Database (2025) – processed by Our World in Data. Retrieved 08 September 2026, from https://population.statizoid.com/compare/period-average-age-of-mothers-birth-order/belgium/united-kingdom/

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About this data

Indicator
Average age of mothers at childbirth by birth order
Unit
years
Source
Human Fertility Database (2025) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
33 places, 1,628 data points, 1933–2024
Last refreshed

Average age of mothers when they have their first child in a specific year. It is standardized for the age structure of the female population of reproductive age.