How many years of comparable data are there for Japan and United Arab Emirates?

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.

Japan vs United Arab Emirates: Average age of mothers at childbirth

Japan

31.91 years

in 2023

United Arab Emirates

31.9 years

in 2023

Japan rank

16th

United Arab Emirates rank

17th

Average age of mothers at childbirth over time

Japan
United Arab Emirates

How they compare

Japan currently reports 31.91 years against 31.9 years in United Arab Emirates, a difference of 0.01 years.

The two have swapped places 6 times across 74 shared years of data; in 1950 it was Japan ahead.

Japan ranks 16th and United Arab Emirates ranks 17th of 236 countries.

Across the 8 decades both report, Japan averaged higher in 1 and United Arab Emirates in 7.

Head to head by decade

Decade	Japan	United Arab Emirates	Difference	Ahead
1950s	28.94 years	27.76 years	1.18 years	Japan
1960s	27.8 years	27.94 years	0.134 years	United Arab Emirates
1970s	27.6 years	28.12 years	0.5188 years	United Arab Emirates
1980s	28.24 years	28.85 years	0.6109 years	United Arab Emirates
1990s	29.32 years	29.94 years	0.6174 years	United Arab Emirates
2000s	29.98 years	30.06 years	0.0832 years	United Arab Emirates
2010s	31.07 years	31.31 years	0.2385 years	United Arab Emirates
2020s	31.79 years	32 years	0.2125 years	United Arab Emirates

Averages of every year both report within each decade.

Frequently asked questions

Which has higher average age of mothers at childbirth, Japan or United Arab Emirates?: Japan, at 31.91 years against 31.9 years in United Arab Emirates as of 2023.
What is the difference in average age of mothers at childbirth between Japan and United Arab Emirates?: 0.01 years, with Japan ahead.
How many years of comparable data are there for Japan and United Arab Emirates?: 74 years are reported by both, from 1950 to 2023.
How do Japan and United Arab Emirates rank globally for average age of mothers at childbirth?: Japan ranks 16th and United Arab Emirates ranks 17th 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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Japan vs United Arab Emirates: 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/japan/united-arab-emirates/

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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.