Births per 1,000 women, by age of mother

Fertility in United States of America, 1973

United States of America
1973
Total fertility rate: 1.92
Total fertility rate, 1950–2100 · click to pick a year

Year

-5 -1   1973  +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 1.92 children per woman in 1973 — below the replacement level of about 2.1. Births were most frequent among women aged 20-24 (123 per 1,000 women in that age group), and the average mother was 25.8 years old. In total, 3,301,844 babies were born. Source: United Nations, World Population Prospects 2024.

Total fertility rate
1.92
Births
3,301,844
Births per 1,000 people
15.4
Mean age of mothers
25.8
Births to mothers aged 15–19
18.8%
Net reproduction rate
0.91
Boys per 100 girls at birth
105.2
Population
215,006,551
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
10-141.60.4%16,644
15-1959.815.5%620,042
20-24123.432.0%1,156,946
25-29114.829.8%949,830
30-3457.715.0%390,383
35-3922.45.8%132,571
40-445.51.4%32,460
45-490.50.1%2,967
50-540.00.0%0