Births per 1,000 women, by age of mother

Fertility in Northern America, 1974

Northern America
1974
Total fertility rate: 1.87
Total fertility rate, 1950–2100 · click to pick a year

Year

-5 -1   1974  +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 1.87 children per woman in 1974 — below the replacement level of about 2.1. Births were most frequent among women aged 20-24 (119 per 1,000 women in that age group), and the average mother was 25.9 years old. In total, 3,661,143 babies were born. Source: United Nations, World Population Prospects 2024.

Total fertility rate
1.87
Births
3,661,143
Births per 1,000 people
15.3
Mean age of mothers
25.9
Births to mothers aged 15–19
17.8%
Net reproduction rate
0.88
Boys per 100 girls at birth
105.5
Population
240,008,218
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%17,095
15-1956.014.9%652,993
20-24118.631.6%1,263,387
25-29115.830.9%1,109,641
30-3456.815.2%444,294
35-3920.95.6%138,627
40-444.91.3%32,126
45-490.40.1%2,924
50-540.00.0%51