Which has higher average age of mothers at childbirth, Guernsey or Saint Martin (French part)?

Saint Martin (French part), at 30.83 years against 30.7 years in Guernsey as of 2023.

What is the difference in average age of mothers at childbirth between Guernsey and Saint Martin (French part)?

0.13 years, with Saint Martin (French part) ahead.

How many years of comparable data are there for Guernsey and Saint Martin (French part)?

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

Where does this data come from?

Human Fertility Database (2025); UN, World Population Prospects (2024) – processed 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.

Guernsey vs Saint Martin (French part): Average age of mothers at childbirth

Guernsey

30.7 years

in 2023

Saint Martin (French part)

30.83 years

in 2023

Guernsey rank

49th

Saint Martin (French part) rank

47th

Average age of mothers at childbirth over time

Guernsey
Saint Martin (French part)

How they compare

Saint Martin (French part) currently reports 30.83 years against 30.7 years in Guernsey, a difference of 0.13 years.

The two have swapped places 2 times across 74 shared years of data; in 1950 it was Saint Martin (French part) ahead.

Guernsey ranks 49th and Saint Martin (French part) ranks 47th of 236 countries.

Across the 8 decades both report, Guernsey averaged higher in 1 and Saint Martin (French part) in 7.

Head to head by decade

Decade	Guernsey	Saint Martin (French part)	Difference	Ahead
1950s	27.93 years	29.91 years	1.98 years	Saint Martin (French part)
1960s	27.29 years	30 years	2.7 years	Saint Martin (French part)
1970s	26.73 years	28.85 years	2.12 years	Saint Martin (French part)
1980s	27.39 years	28.56 years	1.17 years	Saint Martin (French part)
1990s	28.33 years	28.84 years	0.5109 years	Saint Martin (French part)
2000s	29.03 years	29.38 years	0.3499 years	Saint Martin (French part)
2010s	30.13 years	29.97 years	0.1523 years	Guernsey
2020s	30.69 years	30.81 years	0.12 years	Saint Martin (French part)

Averages of every year both report within each decade.

Frequently asked questions

Which has higher average age of mothers at childbirth, Guernsey or Saint Martin (French part)?: Saint Martin (French part), at 30.83 years against 30.7 years in Guernsey as of 2023.
What is the difference in average age of mothers at childbirth between Guernsey and Saint Martin (French part)?: 0.13 years, with Saint Martin (French part) ahead.
How many years of comparable data are there for Guernsey and Saint Martin (French part)?: 74 years are reported by both, from 1950 to 2023.
How do Guernsey and Saint Martin (French part) rank globally for average age of mothers at childbirth?: Guernsey ranks 49th and Saint Martin (French part) ranks 47th of 236 countries.
Where does this data come from?: Human Fertility Database (2025); UN, World Population Prospects (2024) – processed 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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Guernsey vs Saint Martin (French part): Average age of mothers at childbirth. Statizoid, drawing on Human Fertility Database (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Retrieved 02 September 2026, from https://reference.statizoid.com/compare/period-average-age-of-mothers/guernsey/st-martin-french-part/

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<a href="https://reference.statizoid.com/compare/period-average-age-of-mothers/guernsey/st-martin-french-part/">Guernsey vs Saint Martin (French part): Average age of mothers at childbirth</a> — Statizoid

About this data

Indicator: Average age of mothers at childbirth
Unit: years
Source: Human Fertility Database (2025); UN, World Population Prospects (2024) – processed 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: 28 August 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.