Births per 1,000 women, by age of mother

Fertility in Less developed regions, 1997

Less developed regions
1997
Total fertility rate: 3.08
Total fertility rate, 1950–2100 · click to pick a year

Year

-5 -1   1997  +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 3.08 children per woman in 1997 — above the replacement level of about 2.1. Births were most frequent among women aged 20-24 (184 per 1,000 women in that age group), and the average mother was 27.2 years old. In total, 120,832,529 babies were born. Source: United Nations, World Population Prospects 2024.

Total fertility rate
3.08
Births
120,832,529
Births per 1,000 people
25.5
Mean age of mothers
27.2
Births to mothers aged 15–19
14.3%
Net reproduction rate
1.30
Boys per 100 girls at birth
107.6
Population
4,743,165,108
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
10-144.20.7%1,059,133
15-1976.112.3%17,233,146
20-24184.129.9%38,679,633
25-29163.226.5%33,044,168
30-3499.716.2%18,305,768
35-3959.69.7%8,702,033
40-4423.33.8%3,140,108
45-495.91.0%633,271
50-540.40.1%35,191