Births per 1,000 women, by age of mother

Fertility in Northern America, 1956

Northern America
1956
Total fertility rate: 3.64
Total fertility rate, 1950–2100 · click to pick a year

Year

-5 -1   1956  +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 3.64 children per woman in 1956 — above the replacement level of about 2.1. Births were most frequent among women aged 20-24 (245 per 1,000 women in that age group), and the average mother was 26.6 years old. In total, 4,641,052 babies were born. Source: United Nations, World Population Prospects 2024.

Total fertility rate
3.64
Births
4,641,052
Births per 1,000 people
25.1
Mean age of mothers
26.6
Births to mothers aged 15–19
11.7%
Net reproduction rate
1.70
Boys per 100 girls at birth
105.2
Population
185,056,920
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
10-141.00.1%7,999
15-1986.311.9%543,902
20-24245.433.9%1,476,884
25-29194.326.8%1,264,897
30-34118.216.3%825,969
35-3961.28.4%409,014
40-4417.12.4%106,015
45-491.10.1%6,073
50-540.10.0%299