Births per 1,000 women, by age of mother

Fertility in Northern America, 1981

Northern America
1981
Total fertility rate: 1.82
Total fertility rate, 1950–2100 · click to pick a year

Year

-5 -1   1981  +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 1.82 children per woman in 1981 — below the replacement level of about 2.1. Births were most frequent among women aged 25-29 (114 per 1,000 women in that age group), and the average mother was 26.1 years old. In total, 4,126,020 babies were born. Source: United Nations, World Population Prospects 2024.

Total fertility rate
1.82
Births
4,126,020
Births per 1,000 people
16.0
Mean age of mothers
26.1
Births to mothers aged 15–19
14.0%
Net reproduction rate
0.87
Boys per 100 girls at birth
105.2
Population
257,157,454
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
10-141.30.4%13,082
15-1951.514.0%577,490
20-24112.030.5%1,354,711
25-29113.731.0%1,306,521
30-3464.217.5%672,788
35-3920.45.6%173,526
40-443.91.1%26,731
45-490.20.0%1,121
50-540.00.0%42