Births per 1,000 women, by age of mother

Fertility in Northern America, 1999

Northern America
1999
Total fertility rate: 1.95
Total fertility rate, 1950–2100 · click to pick a year

Year

-5 -1   1999  +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 Northern America was 1.95 children per woman in 1999 — 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 27.3 years old. In total, 4,212,814 babies were born. Source: United Nations, World Population Prospects 2024.

Total fertility rate
1.95
Births
4,212,814
Births per 1,000 people
13.6
Mean age of mothers
27.3
Births to mothers aged 15–19
11.5%
Net reproduction rate
0.94
Boys per 100 girls at birth
104.9
Population
309,508,508
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
10-141.10.3%11,731
15-1945.811.8%485,970
20-24102.226.3%1,030,138
25-29109.328.1%1,155,276
30-3485.422.0%964,333
35-3937.29.6%470,467
40-447.31.9%90,629
45-490.40.1%4,194
50-540.00.0%73