Births per 1,000 women, by age of mother

Fertility in More developed regions, 1978

More developed regions
1978
Total fertility rate: 1.91
Total fertility rate, 1950–2100 · click to pick a year

Year

-5 -1   1978  +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 1.91 children per woman in 1978 — below the replacement level of about 2.1. Births were most frequent among women aged 20-24 (128 per 1,000 women in that age group), and the average mother was 26.5 years old. In total, 16,041,698 babies were born. Source: United Nations, World Population Prospects 2024.

Total fertility rate
1.91
Births
16,041,698
Births per 1,000 people
15.0
Mean age of mothers
26.5
Births to mothers aged 15–19
10.1%
Net reproduction rate
0.90
Boys per 100 girls at birth
105.6
Population
1,071,004,184
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%19,315
15-1936.69.5%1,618,033
20-24128.333.4%5,631,341
25-29125.732.7%5,389,474
30-3465.717.1%2,415,711
35-3921.55.6%756,858
40-445.71.5%193,644
45-490.40.1%15,132
50-540.10.0%2,144