Which has higher average age of mothers at childbirth, Greece or Japan?

Greece, at 31.97 years against 31.91 years in Japan as of 2023.

How many years of comparable data are there for Greece and Japan?

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.

Greece vs Japan: Average age of mothers at childbirth

Greece

31.97 years

in 2023

Japan

31.91 years

in 2023

Greece rank

15th

Japan rank

16th

Average age of mothers at childbirth over time

Greece
Japan

How they compare

Greece currently reports 31.97 years against 31.91 years in Japan, a difference of 0.06 years.

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

Greece ranks 15th and Japan ranks 16th of 236 countries.

Across the 8 decades both report, Greece averaged higher in 3 and Japan in 5.

Head to head by decade

Decade	Greece	Japan	Difference	Ahead
1950s	29.55 years	28.94 years	0.6123 years	Greece
1960s	28.18 years	27.8 years	0.3781 years	Greece
1970s	26.84 years	27.6 years	0.7666 years	Japan
1980s	26.4 years	28.24 years	1.84 years	Japan
1990s	28.12 years	29.32 years	1.2 years	Japan
2000s	29.78 years	29.98 years	0.1995 years	Japan
2010s	31.05 years	31.07 years	0.0254 years	Japan
2020s	31.89 years	31.79 years	0.095 years	Greece

Averages of every year both report within each decade.

Frequently asked questions

Which has higher average age of mothers at childbirth, Greece or Japan?: Greece, at 31.97 years against 31.91 years in Japan as of 2023.
What is the difference in average age of mothers at childbirth between Greece and Japan?: 0.06 years, with Greece ahead.
How many years of comparable data are there for Greece and Japan?: 74 years are reported by both, from 1950 to 2023.
How do Greece and Japan rank globally for average age of mothers at childbirth?: Greece ranks 15th and Japan ranks 16th 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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Greece vs Japan: 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 08 November 2026, from https://reference.statizoid.com/compare/period-average-age-of-mothers/greece/japan/

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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.