Which has higher average age of mothers at childbirth, Australia or Chile?

Australia, at 31.39 years against 31.19 years in Chile as of 2023.

What is the difference in average age of mothers at childbirth between Australia and Chile?

0.2 years, with Australia ahead.

How many years of comparable data are there for Australia and Chile?

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.

Australia vs Chile: Average age of mothers at childbirth

Australia

31.39 years

in 2023

Chile

31.19 years

in 2023

Australia rank

34th

Chile rank

37th

Average age of mothers at childbirth over time

Australia
Chile

How they compare

Australia currently reports 31.39 years against 31.19 years in Chile, a difference of 0.2 years.

The two have swapped places 1 time across 74 shared years of data; in 1950 it was Chile ahead.

Australia ranks 34th and Chile ranks 37th of 236 countries.

Across the 8 decades both report, Australia averaged higher in 5 and Chile in 3.

Head to head by decade

Decade	Australia	Chile	Difference	Ahead
1950s	27.79 years	29.43 years	1.64 years	Chile
1960s	27.39 years	28.78 years	1.39 years	Chile
1970s	26.87 years	27.69 years	0.8182 years	Chile
1980s	27.63 years	27.2 years	0.4344 years	Australia
1990s	28.86 years	27.41 years	1.45 years	Australia
2000s	29.98 years	27.82 years	2.16 years	Australia
2010s	30.79 years	28.63 years	2.16 years	Australia
2020s	31.36 years	30.82 years	0.5405 years	Australia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher average age of mothers at childbirth, Australia or Chile?: Australia, at 31.39 years against 31.19 years in Chile as of 2023.
What is the difference in average age of mothers at childbirth between Australia and Chile?: 0.2 years, with Australia ahead.
How many years of comparable data are there for Australia and Chile?: 74 years are reported by both, from 1950 to 2023.
How do Australia and Chile rank globally for average age of mothers at childbirth?: Australia ranks 34th and Chile ranks 37th 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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Australia vs Chile: 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 26 September 2026, from https://reference.statizoid.com/compare/period-average-age-of-mothers/australia/chile/

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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: 18 September 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.