Births per 1,000 women, by age of mother

Fertility in World, 1971

World
1971
Total fertility rate: 4.68
Total fertility rate, 1950–2100 · click to pick a year

Year

-5 -1   1971  +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 4.68 children per woman in 1971 — above the replacement level of about 2.1. Births were most frequent among women aged 25-29 (241 per 1,000 women in that age group), and the average mother was 28.6 years old. In total, 123,739,681 babies were born. Source: United Nations, World Population Prospects 2024.

Total fertility rate
4.68
Births
123,739,681
Births per 1,000 people
32.8
Mean age of mothers
28.6
Births to mothers aged 15–19
12.8%
Net reproduction rate
1.82
Boys per 100 girls at birth
105.5
Population
3,769,847,865
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
10-145.30.6%1,057,606
15-1985.69.2%15,864,717
20-24233.725.0%36,179,655
25-29240.625.7%29,709,921
30-34180.719.3%21,252,267
35-39123.913.3%13,325,941
40-4454.95.9%5,463,813
45-499.51.0%848,444
50-540.50.1%37,278