Births per 1,000 women, by age of mother

Fertility in Northern America, 1979

Northern America
1979
Total fertility rate: 1.83
Total fertility rate, 1950–2100 · click to pick a year

Year

-5 -1   1979  +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 1.83 children per woman in 1979 — below the replacement level of about 2.1. Births were most frequent among women aged 25-29 (115 per 1,000 women in that age group), and the average mother was 26.1 years old. In total, 4,015,212 babies were born. Source: United Nations, World Population Prospects 2024.

Total fertility rate
1.83
Births
4,015,212
Births per 1,000 people
15.9
Mean age of mothers
26.1
Births to mothers aged 15–19
15.0%
Net reproduction rate
0.87
Boys per 100 girls at birth
105.2
Population
251,921,717
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
10-141.50.4%14,638
15-1951.313.9%600,471
20-24113.030.7%1,347,427
25-29114.831.2%1,251,753
30-3462.917.1%613,699
35-3920.35.5%159,720
40-443.91.1%26,138
45-490.20.1%1,366
50-540.00.0%0