Births per 1,000 women, by age of mother

Fertility in United States of America, 1957

United States of America
1957
Total fertility rate: 3.70
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 United States of America was 3.70 children per woman in 1957 — above the replacement level of about 2.1. Births were most frequent among women aged 20-24 (255 per 1,000 women in that age group), and the average mother was 26.4 years old. In total, 4,285,950 babies were born. Source: United Nations, World Population Prospects 2024.

Total fertility rate
3.70
Births
4,285,950
Births per 1,000 people
25.0
Mean age of mothers
26.4
Births to mothers aged 15–19
12.5%
Net reproduction rate
1.73
Boys per 100 girls at birth
105.0
Population
171,499,226
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
10-141.10.2%8,319
15-1990.212.2%535,281
20-24255.334.7%1,392,010
25-29197.226.8%1,146,253
30-34116.215.8%735,138
35-3959.68.1%371,844
40-4416.02.2%91,827
45-490.90.1%5,010
50-540.10.0%270