Which has higher average age of mothers at childbirth, Argentina or Guam?

Argentina, at 29.07 years against 29.05 years in Guam as of 2023.

What is the difference in average age of mothers at childbirth between Argentina and Guam?

0.02 years, with Argentina ahead.

How many years of comparable data are there for Argentina and Guam?

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.

Argentina vs Guam: Average age of mothers at childbirth

Argentina

29.07 years

in 2023

Guam

29.05 years

in 2023

Argentina rank

129th

Guam rank

131st

Average age of mothers at childbirth over time

Argentina
Guam

How they compare

Argentina currently reports 29.07 years against 29.05 years in Guam, a difference of 0.02 years.

The two have swapped places 3 times across 74 shared years of data; in 1950 it was Guam ahead.

Argentina ranks 129th and Guam ranks 131st of 236 countries.

Across the 8 decades both report, Argentina averaged higher in 4 and Guam in 4.

Head to head by decade

Decade	Argentina	Guam	Difference	Ahead
1950s	28.2 years	28.66 years	0.4554 years	Guam
1960s	28.17 years	28.64 years	0.4679 years	Guam
1970s	27.87 years	27.5 years	0.3705 years	Argentina
1980s	27.63 years	26.84 years	0.789 years	Argentina
1990s	27.72 years	27.16 years	0.561 years	Argentina
2000s	27.9 years	27.41 years	0.4853 years	Argentina
2010s	28.05 years	28.51 years	0.4627 years	Guam
2020s	29.02 years	29.03 years	0.0177 years	Guam

Averages of every year both report within each decade.

Frequently asked questions

Which has higher average age of mothers at childbirth, Argentina or Guam?: Argentina, at 29.07 years against 29.05 years in Guam as of 2023.
What is the difference in average age of mothers at childbirth between Argentina and Guam?: 0.02 years, with Argentina ahead.
How many years of comparable data are there for Argentina and Guam?: 74 years are reported by both, from 1950 to 2023.
How do Argentina and Guam rank globally for average age of mothers at childbirth?: Argentina ranks 129th and Guam ranks 131st 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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Argentina vs Guam: 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 06 October 2026, from https://reference.statizoid.com/compare/period-average-age-of-mothers/argentina/guam/

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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.