Births per 1,000 women, by age of mother

Fertility in New Zealand, 1957

New Zealand
1957
Total fertility rate: 4.03
Total fertility rate, 1950–2100 · click to pick a year

Year

-5 -1   1957  +1 +5

Country

A B C D E F G H I J K L M N O P Q R S T U V W Y Z

The total fertility rate of New Zealand was 4.03 children per woman in 1957 — above the replacement level of about 2.1. Births were most frequent among women aged 25-29 (253 per 1,000 women in that age group), and the average mother was 27.8 years old. In total, 57,879 babies were born. Source: United Nations, World Population Prospects 2024.

Total fertility rate
4.03
Births
57,879
Births per 1,000 people
25.9
Mean age of mothers
27.8
Births to mothers aged 15–19
6.2%
Net reproduction rate
1.88
Boys per 100 girls at birth
105.4
Population
2,233,688
The net reproduction rate counts only daughters who survive to their mothers' age: below 1, each generation of women is smaller than the one before.
Mother's ageBirths per 1,000 womenShare of total fertilityBirths
10-140.30.0%33
15-1943.75.4%3,568
20-24247.230.8%16,831
25-29252.731.5%18,267
30-34153.719.2%11,582
35-3979.29.9%5,811
40-4423.62.9%1,674
45-491.80.2%114
50-540.00.0%0