Births per 1,000 women, by age of mother

Fertility in United States of America, 2007

United States of America
2007
Total fertility rate: 2.10
Total fertility rate, 1950–2100 · click to pick a year

Year

-5 -1   2007  +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 2.10 children per woman in 2007 — 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 27.9 years old. In total, 4,232,701 babies were born. Source: United Nations, World Population Prospects 2024.

Total fertility rate
2.10
Births
4,232,701
Births per 1,000 people
14.0
Mean age of mothers
27.9
Births to mothers aged 15–19
10.2%
Net reproduction rate
1.01
Boys per 100 girls at birth
104.7
Population
301,844,226
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
10-140.80.2%7,615
15-1940.89.7%431,450
20-24104.524.9%1,076,426
25-29117.027.9%1,189,953
30-3499.023.6%939,305
35-3947.011.2%481,254
40-449.22.2%100,275
45-490.60.1%6,328
50-540.00.0%97