Births per 1,000 women, by age of mother

Fertility in More developed regions, 1973

More developed regions
1973
Total fertility rate: 2.11
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 More developed regions was 2.11 children per woman in 1973 — above the replacement level of about 2.1. Births were most frequent among women aged 20-24 (139 per 1,000 women in that age group), and the average mother was 26.8 years old. In total, 16,463,982 babies were born. Source: United Nations, World Population Prospects 2024.

Total fertility rate
2.11
Births
16,463,982
Births per 1,000 people
15.9
Mean age of mothers
26.8
Births to mothers aged 15–19
10.3%
Net reproduction rate
0.99
Boys per 100 girls at birth
105.7
Population
1,034,537,773
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
10-140.50.1%21,887
15-1938.99.2%1,695,741
20-24138.632.7%5,909,796
25-29138.232.6%5,068,203
30-3469.216.3%2,436,596
35-3930.37.1%1,038,981
40-447.81.8%266,270
45-490.70.2%24,552
50-540.10.0%1,940