Births per 1,000 women, by age of mother

Fertility in More developed regions, 1964

More developed regions
1964
Total fertility rate: 2.60
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 More developed regions was 2.60 children per woman in 1964 — above the replacement level of about 2.1. Births were most frequent among women aged 20-24 (164 per 1,000 women in that age group), and the average mother was 27.5 years old. In total, 18,072,662 babies were born. Source: United Nations, World Population Prospects 2024.

Total fertility rate
2.60
Births
18,072,662
Births per 1,000 people
18.9
Mean age of mothers
27.5
Births to mothers aged 15–19
7.3%
Net reproduction rate
1.21
Boys per 100 girls at birth
105.6
Population
954,992,052
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
10-140.30.1%13,492
15-1934.56.7%1,325,747
20-24164.131.7%5,636,042
25-29162.031.3%5,715,674
30-3495.818.5%3,245,149
35-3945.58.8%1,621,235
40-4414.72.8%477,159
45-491.30.3%34,726
50-540.10.0%3,401