How many years of comparable data are there for Jersey and Saint Barthelemy?

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.

Jersey vs Saint Barthelemy: Average age of mothers at childbirth

Jersey

30.75 years

in 2023

Saint Barthelemy

30.66 years

in 2023

Jersey rank

48th

Saint Barthelemy rank

51st

Average age of mothers at childbirth over time

Jersey
Saint Barthelemy

How they compare

Jersey currently reports 30.75 years against 30.66 years in Saint Barthelemy, a difference of 0.09 years.

The two have swapped places 7 times across 74 shared years of data; in 1950 it was Saint Barthelemy ahead.

Jersey ranks 48th and Saint Barthelemy ranks 51st of 236 countries.

Across the 8 decades both report, Jersey averaged higher in 2 and Saint Barthelemy in 6.

Head to head by decade

Decade	Jersey	Saint Barthelemy	Difference	Ahead
1950s	27.92 years	29.86 years	1.93 years	Saint Barthelemy
1960s	27.34 years	29.81 years	2.47 years	Saint Barthelemy
1970s	27 years	28.73 years	1.74 years	Saint Barthelemy
1980s	27.68 years	28.62 years	0.9409 years	Saint Barthelemy
1990s	28.25 years	28.87 years	0.6242 years	Saint Barthelemy
2000s	29.14 years	29.17 years	0.0325 years	Saint Barthelemy
2010s	30.14 years	30.01 years	0.123 years	Jersey
2020s	30.73 years	30.68 years	0.0477 years	Jersey

Averages of every year both report within each decade.

Frequently asked questions

Which has higher average age of mothers at childbirth, Jersey or Saint Barthelemy?: Jersey, at 30.75 years against 30.66 years in Saint Barthelemy as of 2023.
What is the difference in average age of mothers at childbirth between Jersey and Saint Barthelemy?: 0.09 years, with Jersey ahead.
How many years of comparable data are there for Jersey and Saint Barthelemy?: 74 years are reported by both, from 1950 to 2023.
How do Jersey and Saint Barthelemy rank globally for average age of mothers at childbirth?: Jersey ranks 48th and Saint Barthelemy ranks 51st 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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Jersey vs Saint Barthelemy: 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 08 November 2026, from https://reference.statizoid.com/compare/period-average-age-of-mothers/jersey/saint-barthelemy/

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<a href="https://reference.statizoid.com/compare/period-average-age-of-mothers/jersey/saint-barthelemy/">Jersey vs Saint Barthelemy: 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.