How many years of comparable data are there for Marshall Islands and Nauru?

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.

Marshall Islands vs Nauru: Average age of mothers at childbirth

Marshall Islands

27.1 years

in 2023

Nauru

27.15 years

in 2023

Marshall Islands rank

223rd

Nauru rank

221st

Average age of mothers at childbirth over time

Marshall Islands
Nauru

How they compare

Nauru currently reports 27.15 years against 27.1 years in Marshall Islands, a difference of 0.05 years.

Across all 74 years both countries report, Nauru has been ahead every year.

Marshall Islands ranks 223rd and Nauru ranks 221st of 236 countries.

Nauru has averaged higher in every one of the 8 decades both report.

Head to head by decade

Decade	Marshall Islands	Nauru	Difference	Ahead
1950s	28.49 years	29.8 years	1.31 years	Nauru
1960s	28.36 years	29.65 years	1.29 years	Nauru
1970s	28.1 years	28.9 years	0.7953 years	Nauru
1980s	27.55 years	28.46 years	0.9116 years	Nauru
1990s	27 years	27.93 years	0.9322 years	Nauru
2000s	27.19 years	27.33 years	0.1417 years	Nauru
2010s	27.12 years	27.43 years	0.3113 years	Nauru
2020s	27.1 years	27.17 years	0.066 years	Nauru

Averages of every year both report within each decade.

Frequently asked questions

Which has higher average age of mothers at childbirth, Marshall Islands or Nauru?: Nauru, at 27.15 years against 27.1 years in Marshall Islands as of 2023.
What is the difference in average age of mothers at childbirth between Marshall Islands and Nauru?: 0.05 years, with Nauru ahead.
How many years of comparable data are there for Marshall Islands and Nauru?: 74 years are reported by both, from 1950 to 2023.
How do Marshall Islands and Nauru rank globally for average age of mothers at childbirth?: Marshall Islands ranks 223rd and Nauru ranks 221st 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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Marshall Islands vs Nauru: 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 09 November 2026, from https://reference.statizoid.com/compare/period-average-age-of-mothers/marshall-islands/naoero/

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<a href="https://reference.statizoid.com/compare/period-average-age-of-mothers/marshall-islands/naoero/">Marshall Islands vs Nauru: 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.