Births per 1,000 women, by age of mother

Fertility in United States of America, 1972

United States of America
1972
Total fertility rate: 2.06
Total fertility rate, 1950–2100 · click to pick a year

Year

-5 -1   1972  +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 2.06 children per woman in 1972 — below the replacement level of about 2.1. Births were most frequent among women aged 20-24 (134 per 1,000 women in that age group), and the average mother was 25.9 years old. In total, 3,417,716 babies were born. Source: United Nations, World Population Prospects 2024.

Total fertility rate
2.06
Births
3,417,716
Births per 1,000 people
16.1
Mean age of mothers
25.9
Births to mothers aged 15–19
18.4%
Net reproduction rate
0.97
Boys per 100 girls at birth
105.1
Population
212,842,573
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
10-141.50.4%15,977
15-1962.015.1%629,684
20-24134.132.5%1,233,692
25-29121.229.4%955,559
30-3461.314.9%394,757
35-3925.16.1%147,137
40-446.21.5%37,633
45-490.50.1%3,278
50-540.00.0%0