Births per 1,000 women, by age of mother

Fertility in World, 1972

World
1972
Total fertility rate: 4.54
Total fertility rate, 1950–2100 · click to pick a year

Year

-5 -1   1972  +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 World was 4.54 children per woman in 1972 — above the replacement level of about 2.1. Births were most frequent among women aged 25-29 (236 per 1,000 women in that age group), and the average mother was 28.5 years old. In total, 123,554,018 babies were born. Source: United Nations, World Population Prospects 2024.

Total fertility rate
4.54
Births
123,554,018
Births per 1,000 people
32.1
Mean age of mothers
28.5
Births to mothers aged 15–19
13.0%
Net reproduction rate
1.79
Boys per 100 girls at birth
105.5
Population
3,844,917,680
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
10-145.40.6%1,088,936
15-1984.99.4%16,099,411
20-24228.825.2%36,818,828
25-29235.726.0%30,017,438
30-34174.519.2%20,618,888
35-39116.912.9%12,786,591
40-4452.15.7%5,240,210
45-499.31.0%845,212
50-540.50.1%38,443