Births per 1,000 women, by age of mother

Fertility in World, 1973

World
1973
Total fertility rate: 4.42
Total fertility rate, 1950–2100 · click to pick a year

Year

-5 -1   1973  +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 4.42 children per woman in 1973 — above the replacement level of about 2.1. Births were most frequent among women aged 25-29 (230 per 1,000 women in that age group), and the average mother was 28.4 years old. In total, 123,563,931 babies were born. Source: United Nations, World Population Prospects 2024.

Total fertility rate
4.42
Births
123,563,931
Births per 1,000 people
31.5
Mean age of mothers
28.4
Births to mothers aged 15–19
13.2%
Net reproduction rate
1.75
Boys per 100 girls at birth
105.5
Population
3,920,805,042
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%1,119,775
15-1984.79.6%16,365,289
20-24224.225.4%37,466,664
25-29230.026.1%30,475,034
30-34168.719.1%19,958,985
35-39110.212.5%12,247,124
40-4449.85.6%5,054,942
45-499.11.0%836,917
50-540.50.1%39,117