Births per 1,000 women, by age of mother

Fertility in More developed regions, 1991

More developed regions
1991
Total fertility rate: 1.73
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 More developed regions was 1.73 children per woman in 1991 — below the replacement level of about 2.1. Births were most frequent among women aged 25-29 (111 per 1,000 women in that age group), and the average mother was 27.0 years old. In total, 14,975,423 babies were born. Source: United Nations, World Population Prospects 2024.

Total fertility rate
1.73
Births
14,975,423
Births per 1,000 people
13.0
Mean age of mothers
27.0
Births to mothers aged 15–19
9.3%
Net reproduction rate
0.82
Boys per 100 girls at birth
105.5
Population
1,155,956,158
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
10-140.50.1%19,760
15-1934.710.0%1,393,481
20-2499.928.9%4,181,354
25-29110.631.9%4,876,561
30-3470.320.3%3,192,145
35-3925.47.3%1,113,513
40-444.51.3%191,054
45-490.20.1%6,857
50-540.00.0%679