Fertility in United States of America, 2009

United States of America
2009
Total fertility rate: 1.99
Births per 1,000 women, by age of mother
2009 1979, 30 years earlier
Hover a column for the exact rate. Adding up all the rates (× 5 years ÷ 1,000) gives the total fertility rate.
Total fertility rate, 1950–2100 · click to pick a year

Year

-5 -1   2009  +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 1.99 children per woman in 2009 — below the replacement level of about 2.1. Births were most frequent among women aged 25-29 (111 per 1,000 women in that age group), and the average mother was 28.1 years old. In total, 4,089,073 babies were born. Source: United Nations, World Population Prospects 2024.

Total fertility rate
1.99
Births
4,089,073
Births per 1,000 people
13.3
Mean age of mothers
28.1
Births to mothers aged 15–19
9.9%
Net reproduction rate
0.96
Boys per 100 girls at birth
104.8
Population
308,023,454
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
10-140.60.2%6,072
15-1938.19.6%404,490
20-2495.524.0%1,006,444
25-29111.328.0%1,165,084
30-3496.724.3%946,748
35-3944.911.3%451,701
40-449.72.4%101,523
45-490.60.2%6,906
50-540.00.0%105