What is the difference in average age of mothers at childbirth between Brunei Darussalam and New Zealand?

0.01 years, with Brunei Darussalam ahead.

How many years of comparable data are there for Brunei Darussalam and New Zealand?

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.

Brunei Darussalam vs New Zealand: Average age of mothers at childbirth

Brunei Darussalam

30.65 years

in 2023

New Zealand

30.64 years

in 2023

Brunei Darussalam rank

52nd

New Zealand rank

54th

Average age of mothers at childbirth over time

Brunei Darussalam
New Zealand

How they compare

Brunei Darussalam currently reports 30.65 years against 30.64 years in New Zealand, a difference of 0.01 years.

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

Brunei Darussalam ranks 52nd and New Zealand ranks 54th of 236 countries.

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

Head to head by decade

Decade	Brunei Darussalam	New Zealand	Difference	Ahead
1950s	28.83 years	28 years	0.8329 years	Brunei Darussalam
1960s	28.83 years	27.2 years	1.62 years	Brunei Darussalam
1970s	28.86 years	26.3 years	2.55 years	Brunei Darussalam
1980s	29.1 years	27.02 years	2.08 years	Brunei Darussalam
1990s	29.55 years	28.32 years	1.22 years	Brunei Darussalam
2000s	29.78 years	29.35 years	0.4393 years	Brunei Darussalam
2010s	30.26 years	30.08 years	0.1764 years	Brunei Darussalam
2020s	30.63 years	30.62 years	0.0125 years	Brunei Darussalam

Averages of every year both report within each decade.

Frequently asked questions

Which has higher average age of mothers at childbirth, Brunei Darussalam or New Zealand?: Brunei Darussalam, at 30.65 years against 30.64 years in New Zealand as of 2023.
What is the difference in average age of mothers at childbirth between Brunei Darussalam and New Zealand?: 0.01 years, with Brunei Darussalam ahead.
How many years of comparable data are there for Brunei Darussalam and New Zealand?: 74 years are reported by both, from 1950 to 2023.
How do Brunei Darussalam and New Zealand rank globally for average age of mothers at childbirth?: Brunei Darussalam ranks 52nd and New Zealand ranks 54th 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.

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Brunei Darussalam vs New Zealand: Average age of mothers at childbirth. Statizoid, drawing on Human Fertility Database (2025); UN, World Population Prospects (2024) – processed by Our World in Data. Retrieved 03 September 2026, from https://reference.statizoid.com/compare/period-average-age-of-mothers/brunei-darussalam/new-zealand/

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<a href="https://reference.statizoid.com/compare/period-average-age-of-mothers/brunei-darussalam/new-zealand/">Brunei Darussalam vs New Zealand: Average age of mothers at childbirth</a> — Statizoid

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: 28 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.