Births per 1,000 women, by age of mother

Fertility in Less developed regions, excluding least developed countries, 1981

Less developed regions, excluding least developed countries
1981
Total fertility rate: 4.05
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 Less developed regions, excluding least developed countries was 4.05 children per woman in 1981 — above the replacement level of about 2.1. Births were most frequent among women aged 20-24 (228 per 1,000 women in that age group), and the average mother was 27.9 years old. In total, 94,620,119 babies were born. Source: United Nations, World Population Prospects 2024.

Total fertility rate
4.05
Births
94,620,119
Births per 1,000 people
31.3
Mean age of mothers
27.9
Births to mothers aged 15–19
13.7%
Net reproduction rate
1.66
Boys per 100 girls at birth
106.1
Population
3,024,775,662
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
10-144.60.6%826,612
15-1978.89.7%12,953,738
20-24228.028.1%30,197,980
25-29221.127.3%27,143,081
30-34143.217.7%13,701,983
35-3987.710.8%6,603,180
40-4439.34.9%2,677,876
45-497.91.0%488,185
50-540.50.1%27,432