Births per 1,000 women, by age of mother

Fertility in Northern America, 1964

Northern America
1964
Total fertility rate: 3.27
Total fertility rate, 1950–2100 · click to pick a year

Year

-5 -1   1964  +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 3.27 children per woman in 1964 — above the replacement level of about 2.1. Births were most frequent among women aged 20-24 (220 per 1,000 women in that age group), and the average mother was 26.7 years old. In total, 4,564,324 babies were born. Source: United Nations, World Population Prospects 2024.

Total fertility rate
3.27
Births
4,564,324
Births per 1,000 people
21.5
Mean age of mothers
26.7
Births to mothers aged 15–19
13.5%
Net reproduction rate
1.54
Boys per 100 girls at birth
104.8
Population
212,229,894
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
10-141.00.2%10,015
15-1968.610.6%616,516
20-24220.533.9%1,614,112
25-29182.928.2%1,160,238
30-34107.516.5%685,747
35-3953.08.2%365,306
40-4415.12.3%105,926
45-491.00.2%6,389
50-540.00.0%75