Births per 1,000 women, by age of mother

Fertility in Less developed regions, 1999

Less developed regions
1999
Total fertility rate: 3.00
Total fertility rate, 1950–2100 · click to pick a year

Year

-5 -1   1999  +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 3.00 children per woman in 1999 — above the replacement level of about 2.1. Births were most frequent among women aged 20-24 (179 per 1,000 women in that age group), and the average mother was 27.2 years old. In total, 121,089,256 babies were born. Source: United Nations, World Population Prospects 2024.

Total fertility rate
3.00
Births
121,089,256
Births per 1,000 people
24.7
Mean age of mothers
27.2
Births to mothers aged 15–19
14.5%
Net reproduction rate
1.27
Boys per 100 girls at birth
107.6
Population
4,901,733,054
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
10-144.10.7%1,064,618
15-1973.912.3%17,511,109
20-24178.929.8%37,832,723
25-29159.526.5%32,962,243
30-34100.016.6%18,880,840
35-3956.69.4%9,029,482
40-4422.53.7%3,148,430
45-495.30.9%626,637
50-540.40.1%33,153