Fertility in United States of America, 2018

United States of America
2018
Total fertility rate: 1.71
Births per 1,000 women, by age of mother
2018 1988, 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   2018  +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 1.71 children per woman in 2018 — below the replacement level of about 2.1. Births were most frequent among women aged 30-34 (98 per 1,000 women in that age group), and the average mother was 29.5 years old. In total, 3,816,077 babies were born. Source: United Nations, World Population Prospects 2024.

Total fertility rate
1.71
Births
3,816,077
Births per 1,000 people
11.4
Mean age of mothers
29.5
Births to mothers aged 15–19
4.7%
Net reproduction rate
0.83
Boys per 100 girls at birth
104.6
Population
335,056,498
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
10-140.20.1%2,444
15-1917.25.0%180,736
20-2467.819.7%723,453
25-2995.227.7%1,102,586
30-3498.428.6%1,106,496
35-3952.215.2%573,398
40-4411.83.4%118,352
45-490.80.2%8,443
50-540.00.0%166