Births per 1,000 women, by age of mother

Fertility in United States of America, 1966

United States of America
1966
Total fertility rate: 2.77
Total fertility rate, 1950–2100 · click to pick a year

Year

-5 -1   1966  +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 2.77 children per woman in 1966 — above the replacement level of about 2.1. Births were most frequent among women aged 20-24 (187 per 1,000 women in that age group), and the average mother was 26.4 years old. In total, 3,746,479 babies were born. Source: United Nations, World Population Prospects 2024.

Total fertility rate
2.77
Births
3,746,479
Births per 1,000 people
18.9
Mean age of mothers
26.4
Births to mothers aged 15–19
17.1%
Net reproduction rate
1.30
Boys per 100 girls at birth
104.9
Population
198,265,406
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%10,417
15-1972.413.1%638,981
20-24186.733.7%1,347,678
25-29151.827.4%912,129
30-3486.415.6%496,132
35-3942.67.7%259,420
40-4411.92.1%76,599
45-490.80.2%5,123
50-540.00.0%0