Births per 1,000 women, by age of mother

Fertility in More developed regions, 1997

More developed regions
1997
Total fertility rate: 1.55
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 More developed regions was 1.55 children per woman in 1997 — below the replacement level of about 2.1. Births were most frequent among women aged 25-29 (97 per 1,000 women in that age group), and the average mother was 27.7 years old. In total, 13,153,140 babies were born. Source: United Nations, World Population Prospects 2024.

Total fertility rate
1.55
Births
13,153,140
Births per 1,000 people
11.1
Mean age of mothers
27.7
Births to mothers aged 15–19
8.5%
Net reproduction rate
0.74
Boys per 100 girls at birth
105.5
Population
1,181,622,708
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
10-140.40.1%17,329
15-1928.29.1%1,114,658
20-2478.625.4%3,183,047
25-2996.531.1%4,105,447
30-3472.723.5%3,207,140
35-3928.19.1%1,289,792
40-445.11.6%224,813
45-490.20.1%10,375
50-540.00.0%520