Births per 1,000 women, by age of mother

Fertility in World, 1991

World
1991
Total fertility rate: 3.13
Total fertility rate, 1950–2100 · click to pick a year

Year

-5 -1   1991  +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 World was 3.13 children per woman in 1991 — above the replacement level of about 2.1. Births were most frequent among women aged 20-24 (191 per 1,000 women in that age group), and the average mother was 27.1 years old. In total, 138,306,865 babies were born. Source: United Nations, World Population Prospects 2024.

Total fertility rate
3.13
Births
138,306,865
Births per 1,000 people
25.5
Mean age of mothers
27.1
Births to mothers aged 15–19
13.7%
Net reproduction rate
1.32
Boys per 100 girls at birth
106.8
Population
5,418,735,892
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
10-144.30.7%1,135,732
15-1974.911.9%18,947,844
20-24191.230.5%46,588,509
25-29166.426.5%37,449,222
30-34105.616.8%20,238,821
35-3955.48.8%9,830,127
40-4423.33.7%3,403,088
45-495.90.9%673,944
50-540.40.1%39,574