Births per 1,000 women, by age of mother

Fertility in United States of America, 1979

United States of America
1979
Total fertility rate: 1.84
Total fertility rate, 1950–2100 · click to pick a year

Year

-5 -1   1979  +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 1.84 children per woman in 1979 — below the replacement level of about 2.1. Births were most frequent among women aged 20-24 (115 per 1,000 women in that age group), and the average mother was 26.0 years old. In total, 3,654,688 babies were born. Source: United Nations, World Population Prospects 2024.

Total fertility rate
1.84
Births
3,654,688
Births per 1,000 people
16.1
Mean age of mothers
26.0
Births to mothers aged 15–19
15.5%
Net reproduction rate
0.88
Boys per 100 girls at birth
105.2
Population
227,575,084
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%14,205
15-1954.014.5%567,857
20-24114.930.9%1,234,097
25-29113.830.6%1,119,239
30-3462.516.8%549,033
35-3920.45.5%145,000
40-444.01.1%24,019
45-490.20.1%1,239
50-540.00.0%0