Births per 1,000 women, by age of mother

Fertility in Less developed regions, 1964

Less developed regions
1964
Total fertility rate: 6.29
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 Less developed regions was 6.29 children per woman in 1964 — above the replacement level of about 2.1. Births were most frequent among women aged 25-29 (296 per 1,000 women in that age group), and the average mother was 29.3 years old. In total, 99,219,538 babies were born. Source: United Nations, World Population Prospects 2024.

Total fertility rate
6.29
Births
99,219,538
Births per 1,000 people
43.0
Mean age of mothers
29.3
Births to mothers aged 15–19
12.0%
Net reproduction rate
2.25
Boys per 100 girls at birth
105.4
Population
2,309,495,288
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%886,801
15-19114.59.1%11,949,637
20-24283.722.6%25,194,076
25-29296.023.6%24,391,567
30-34247.919.7%18,296,627
35-39192.715.3%12,340,060
40-4499.07.9%5,413,599
45-4915.41.2%721,089
50-540.60.1%26,079