Births per 1,000 women, by age of mother

Fertility in Less developed regions, 1986

Less developed regions
1986
Total fertility rate: 4.00
Total fertility rate, 1950–2100 · click to pick a year

Year

-5 -1   1986  +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 4.00 children per woman in 1986 — above the replacement level of about 2.1. Births were most frequent among women aged 20-24 (229 per 1,000 women in that age group), and the average mother was 27.7 years old. In total, 123,341,696 babies were born. Source: United Nations, World Population Prospects 2024.

Total fertility rate
4.00
Births
123,341,696
Births per 1,000 people
32.2
Mean age of mothers
27.7
Births to mothers aged 15–19
14.3%
Net reproduction rate
1.64
Boys per 100 girls at birth
106.2
Population
3,835,081,540
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%1,185,745
15-1986.610.8%17,678,917
20-24229.128.6%41,960,839
25-29210.126.3%31,218,757
30-34134.516.8%18,263,669
35-3983.810.5%8,893,239
40-4440.95.1%3,422,665
45-499.11.1%680,259
50-540.60.1%37,560