Births per 1,000 women, by age of mother

Fertility in United States of America, 1971

United States of America
1971
Total fertility rate: 2.32
Total fertility rate, 1950–2100 · click to pick a year

Year

-5 -1   1971  +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 2.32 children per woman in 1971 — above the replacement level of about 2.1. Births were most frequent among women aged 20-24 (156 per 1,000 women in that age group), and the average mother was 26.0 years old. In total, 3,718,310 babies were born. Source: United Nations, World Population Prospects 2024.

Total fertility rate
2.32
Births
3,718,310
Births per 1,000 people
17.7
Mean age of mothers
26.0
Births to mothers aged 15–19
17.2%
Net reproduction rate
1.10
Boys per 100 girls at birth
105.2
Population
210,426,432
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
10-141.50.3%15,151
15-1964.513.9%638,185
20-24156.133.7%1,412,259
25-29135.729.3%1,010,591
30-3468.614.8%424,073
35-3929.16.3%170,436
40-447.21.6%44,040
45-490.60.1%3,576
50-540.00.0%0