What is the difference in average age of mothers at childbirth by birth order between Netherlands and Portugal?

0.16 years, with Netherlands ahead.

How many years of comparable data are there for Netherlands and Portugal?

64 years are reported by both, from 1959 to 2022.

Where does this data come from?

Human Fertility Database (2025) – processed by Our World in Data, published as Average age of mothers at childbirth by birth order. Statizoid refreshes it automatically from the source and publishes the full history for both places.

Netherlands vs Portugal: Average age of mothers at childbirth by birth order

Netherlands

30.31 years

in 2022

Portugal

30.15 years

in 2023

Netherlands rank

9th

Portugal rank

12th

Average age of mothers at childbirth by birth order over time

Netherlands
Portugal

How they compare

Netherlands currently reports 30.31 years against 30.15 years in Portugal, a difference of 0.16 years.

The two have swapped places 3 times across 64 shared years of data; in 1959 it was Netherlands ahead.

Netherlands ranks 9th and Portugal ranks 12th of 33 countries.

Across the 8 decades both report, Netherlands averaged higher in 7 and Portugal in 1.

Head to head by decade

Decade	Netherlands	Portugal	Difference	Ahead
1950s	25.87 years	25.25 years	0.62 years	Netherlands
1960s	25.26 years	25.07 years	0.19 years	Netherlands
1970s	25.13 years	24.37 years	0.766 years	Netherlands
1980s	26.57 years	24.14 years	2.43 years	Netherlands
1990s	28.28 years	25.62 years	2.66 years	Netherlands
2000s	28.89 years	27.2 years	1.69 years	Netherlands
2010s	29.63 years	29.16 years	0.463 years	Netherlands
2020s	30.27 years	30.32 years	0.0467 years	Portugal

Averages of every year both report within each decade.

Frequently asked questions

Which has higher average age of mothers at childbirth by birth order, Netherlands or Portugal?: Netherlands, at 30.31 years against 30.15 years in Portugal as of 2022.
What is the difference in average age of mothers at childbirth by birth order between Netherlands and Portugal?: 0.16 years, with Netherlands ahead.
How many years of comparable data are there for Netherlands and Portugal?: 64 years are reported by both, from 1959 to 2022.
How do Netherlands and Portugal rank globally for average age of mothers at childbirth by birth order?: Netherlands ranks 9th and Portugal ranks 12th of 33 countries.
Where does this data come from?: Human Fertility Database (2025) – processed by Our World in Data, published as Average age of mothers at childbirth by birth order. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Netherlands vs Portugal: Average age of mothers at childbirth by birth order. Statizoid, drawing on Human Fertility Database (2025) – processed by Our World in Data. Retrieved 05 September 2026, from https://population.statizoid.com/compare/period-average-age-of-mothers-birth-order/netherlands/portugal/

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About this data

Indicator: Average age of mothers at childbirth by birth order
Unit: years
Source: Human Fertility Database (2025) – processed by Our World in Data
Licence: CC BY 4.0 (Our World in Data)
Coverage: 33 places, 1,628 data points, 1933–2024
Last refreshed: 28 August 2026

Average age of mothers when they have their first child in a specific year. It is standardized for the age structure of the female population of reproductive age.