Births per 1,000 women, by age of mother

Fertility in More developed regions, 1981

More developed regions
1981
Total fertility rate: 1.86
Total fertility rate, 1950–2100 · click to pick a year

Year

-5 -1   1981  +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 1.86 children per woman in 1981 — below the replacement level of about 2.1. Births were most frequent among women aged 20-24 (124 per 1,000 women in that age group), and the average mother was 26.5 years old. In total, 16,025,485 babies were born. Source: United Nations, World Population Prospects 2024.

Total fertility rate
1.86
Births
16,025,485
Births per 1,000 people
14.7
Mean age of mothers
26.5
Births to mothers aged 15–19
9.6%
Net reproduction rate
0.88
Boys per 100 girls at birth
105.5
Population
1,091,854,241
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
10-140.40.1%17,380
15-1935.99.6%1,546,016
20-24123.833.2%5,517,509
25-29122.933.0%5,342,974
30-3464.017.2%2,718,848
35-3921.15.7%706,308
40-444.61.2%163,393
45-490.30.1%11,313
50-540.10.0%1,714