New Zealand vs Saint Barthelemy: Average age of mothers at childbirth
New Zealand
30.64 years
in 2023
Saint Barthelemy
30.66 years
in 2023
New Zealand rank
54th
Saint Barthelemy rank
51st
Average age of mothers at childbirth over time
- New Zealand
- Saint Barthelemy
How they compare
Saint Barthelemy currently reports 30.66 years against 30.64 years in New Zealand, a difference of 0.02 years.
The two have swapped places 4 times across 74 shared years of data; in 1950 it was Saint Barthelemy ahead.
New Zealand ranks 54th and Saint Barthelemy ranks 51st of 236 countries.
Across the 8 decades both report, New Zealand averaged higher in 2 and Saint Barthelemy in 6.
Head to head by decade
| Decade | New Zealand | Saint Barthelemy | Difference | Ahead |
|---|---|---|---|---|
| 1950s | 28 years | 29.86 years | 1.86 years | Saint Barthelemy |
| 1960s | 27.2 years | 29.81 years | 2.61 years | Saint Barthelemy |
| 1970s | 26.3 years | 28.73 years | 2.43 years | Saint Barthelemy |
| 1980s | 27.02 years | 28.62 years | 1.6 years | Saint Barthelemy |
| 1990s | 28.32 years | 28.87 years | 0.5478 years | Saint Barthelemy |
| 2000s | 29.35 years | 29.17 years | 0.1742 years | New Zealand |
| 2010s | 30.08 years | 30.01 years | 0.0698 years | New Zealand |
| 2020s | 30.62 years | 30.68 years | 0.0623 years | Saint Barthelemy |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher average age of mothers at childbirth, New Zealand or Saint Barthelemy?
- Saint Barthelemy, at 30.66 years against 30.64 years in New Zealand as of 2023.
- What is the difference in average age of mothers at childbirth between New Zealand and Saint Barthelemy?
- 0.02 years, with Saint Barthelemy ahead.
- How many years of comparable data are there for New Zealand and Saint Barthelemy?
- 74 years are reported by both, from 1950 to 2023.
- How do New Zealand and Saint Barthelemy rank globally for average age of mothers at childbirth?
- New Zealand ranks 54th and Saint Barthelemy ranks 51st of 236 countries.
- Where does this data come from?
- Human Fertility Database (2025); UN, World Population Prospects (2024) β 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.
Individual pages
About this data
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.