Births per 1,000 women, by age of mother

Fertility in Less developed regions, 1983

Less developed regions
1983
Total fertility rate: 4.14
Total fertility rate, 1950–2100 · click to pick a year

Year

-5 -1   1983  +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 was 4.14 children per woman in 1983 — above the replacement level of about 2.1. Births were most frequent among women aged 20-24 (227 per 1,000 women in that age group), and the average mother was 28.0 years old. In total, 115,849,501 babies were born. Source: United Nations, World Population Prospects 2024.

Total fertility rate
4.14
Births
115,849,501
Births per 1,000 people
32.2
Mean age of mothers
28.0
Births to mothers aged 15–19
14.8%
Net reproduction rate
1.67
Boys per 100 girls at birth
105.8
Population
3,592,954,028
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
10-145.50.7%1,177,378
15-1988.410.7%17,154,463
20-24226.927.4%36,014,200
25-29216.826.2%31,535,468
30-34143.017.3%17,177,753
35-3993.511.3%8,561,437
40-4444.45.4%3,496,801
45-499.61.2%693,463
50-540.60.1%38,482