Births per 1,000 women, by age of mother

Fertility in United States of America, 1991

United States of America
1991
Total fertility rate: 2.06
Total fertility rate, 1950–2100 · click to pick a year

Year

-5 -1   1991  +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 1991 — below the replacement level of about 2.1. Births were most frequent among women aged 25-29 (117 per 1,000 women in that age group), and the average mother was 26.5 years old. In total, 4,114,563 babies were born. Source: United Nations, World Population Prospects 2024.

Total fertility rate
2.06
Births
4,114,563
Births per 1,000 people
16.0
Mean age of mothers
26.5
Births to mothers aged 15–19
12.3%
Net reproduction rate
0.99
Boys per 100 girls at birth
104.6
Population
256,471,422
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
10-141.80.4%14,948
15-1961.714.9%507,161
20-24114.727.8%1,070,833
25-29117.228.4%1,236,042
30-3479.519.3%891,537
35-3932.27.8%338,773
40-445.71.4%53,640
45-490.20.1%1,627
50-540.00.0%0