Births per 1,000 women, by age of mother

Fertility in Less developed regions, 1985

Less developed regions
1985
Total fertility rate: 4.03
Total fertility rate, 1950–2100 · click to pick a year

Year

-5 -1   1985  +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 4.03 children per woman in 1985 — 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 27.8 years old. In total, 120,461,378 babies were born. Source: United Nations, World Population Prospects 2024.

Total fertility rate
4.03
Births
120,461,378
Births per 1,000 people
32.1
Mean age of mothers
27.8
Births to mothers aged 15–19
14.6%
Net reproduction rate
1.64
Boys per 100 girls at birth
106.0
Population
3,752,334,170
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%1,176,100
15-1987.810.9%17,602,956
20-24227.028.2%39,720,172
25-29211.126.2%31,261,958
30-34135.916.9%17,838,797
35-3986.510.7%8,709,889
40-4442.05.2%3,430,461
45-499.31.2%683,141
50-540.60.1%37,893