Births per 1,000 women, by age of mother

Fertility in United States of America, 1998

United States of America
1998
Total fertility rate: 1.98
Total fertility rate, 1950–2100 · click to pick a year

Year

-5 -1   1998  +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 1.98 children per woman in 1998 — below the replacement level of about 2.1. Births were most frequent among women aged 25-29 (109 per 1,000 women in that age group), and the average mother was 27.1 years old. In total, 3,849,741 babies were born. Source: United Nations, World Population Prospects 2024.

Total fertility rate
1.98
Births
3,849,741
Births per 1,000 people
13.9
Mean age of mothers
27.1
Births to mothers aged 15–19
12.2%
Net reproduction rate
0.95
Boys per 100 girls at birth
104.7
Population
276,119,333
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
10-141.30.3%12,201
15-1949.912.6%470,933
20-24107.127.1%951,226
25-29108.827.5%1,049,375
30-3483.621.2%863,022
35-3936.79.3%417,597
40-447.41.9%81,650
45-490.40.1%3,701
50-540.00.0%35