Which has higher average age of mothers at childbirth, Mongolia or Samoa?

Mongolia, at 29.33 years against 29.27 years in Samoa as of 2023.

What is the difference in average age of mothers at childbirth between Mongolia and Samoa?

0.06 years, with Mongolia ahead.

How many years of comparable data are there for Mongolia and Samoa?

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.

Mongolia vs Samoa: Average age of mothers at childbirth

Mongolia

29.33 years

in 2023

Samoa

29.27 years

in 2023

Mongolia rank

103rd

Samoa rank

106th

Average age of mothers at childbirth over time

Mongolia
Samoa

How they compare

Mongolia currently reports 29.33 years against 29.27 years in Samoa, a difference of 0.06 years.

The two have swapped places 2 times across 74 shared years of data; in 1950 it was Mongolia ahead.

Mongolia ranks 103rd and Samoa ranks 106th of 236 countries.

Across the 8 decades both report, Mongolia averaged higher in 4 and Samoa in 4.

Head to head by decade

Decade	Mongolia	Samoa	Difference	Ahead
1950s	30.55 years	29.25 years	1.3 years	Mongolia
1960s	30.58 years	29.58 years	1 years	Mongolia
1970s	30.62 years	29.97 years	0.6485 years	Mongolia
1980s	29.84 years	30.1 years	0.2653 years	Samoa
1990s	27.99 years	30.13 years	2.14 years	Samoa
2000s	28.11 years	30 years	1.89 years	Samoa
2010s	28.84 years	29.62 years	0.7746 years	Samoa
2020s	29.38 years	29.31 years	0.0685 years	Mongolia

Averages of every year both report within each decade.

Frequently asked questions

Which has higher average age of mothers at childbirth, Mongolia or Samoa?: Mongolia, at 29.33 years against 29.27 years in Samoa as of 2023.
What is the difference in average age of mothers at childbirth between Mongolia and Samoa?: 0.06 years, with Mongolia ahead.
How many years of comparable data are there for Mongolia and Samoa?: 74 years are reported by both, from 1950 to 2023.
How do Mongolia and Samoa rank globally for average age of mothers at childbirth?: Mongolia ranks 103rd and Samoa ranks 106th 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.

Individual pages

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: 07 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.