Births per 1,000 women, by age of mother

Fertility in More developed regions, 1979

More developed regions
1979
Total fertility rate: 1.90
Total fertility rate, 1950–2100 · click to pick a year

Year

-5 -1   1979  +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 1.90 children per woman in 1979 — 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, 16,127,745 babies were born. Source: United Nations, World Population Prospects 2024.

Total fertility rate
1.90
Births
16,127,745
Births per 1,000 people
15.0
Mean age of mothers
26.5
Births to mothers aged 15–19
10.0%
Net reproduction rate
0.90
Boys per 100 girls at birth
105.6
Population
1,077,863,860
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%18,794
15-1936.79.6%1,616,686
20-24127.733.4%5,634,802
25-29125.032.7%5,367,112
30-3466.117.3%2,570,823
35-3921.05.5%722,065
40-445.21.4%181,886
45-490.40.1%13,469
50-540.10.0%2,091