Births per 1,000 women, by age of mother

Fertility in Less developed regions, 1966

Less developed regions
1966
Total fertility rate: 6.11
Total fertility rate, 1950–2100 · click to pick a year

Year

-5 -1   1966  +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 Less developed regions was 6.11 children per woman in 1966 — above the replacement level of about 2.1. Births were most frequent among women aged 25-29 (288 per 1,000 women in that age group), and the average mother was 29.3 years old. In total, 100,388,614 babies were born. Source: United Nations, World Population Prospects 2024.

Total fertility rate
6.11
Births
100,388,614
Births per 1,000 people
41.3
Mean age of mothers
29.3
Births to mothers aged 15–19
12.3%
Net reproduction rate
2.20
Boys per 100 girls at birth
105.4
Population
2,430,052,030
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
10-146.60.5%949,669
15-19107.98.9%12,396,715
20-24277.822.8%25,660,182
25-29288.223.6%24,173,182
30-34241.019.8%18,512,755
35-39186.615.3%12,473,873
40-4495.07.8%5,447,827
45-4915.41.3%747,466
50-540.60.1%26,850