Births per 1,000 women, by age of mother

Fertility in World, 1999

World
1999
Total fertility rate: 2.75
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 World was 2.75 children per woman in 1999 — above the replacement level of about 2.1. Births were most frequent among women aged 20-24 (163 per 1,000 women in that age group), and the average mother was 27.1 years old. In total, 134,058,675 babies were born. Source: United Nations, World Population Prospects 2024.

Total fertility rate
2.75
Births
134,058,675
Births per 1,000 people
22.0
Mean age of mothers
27.1
Births to mothers aged 15–19
13.8%
Net reproduction rate
1.18
Boys per 100 girls at birth
107.4
Population
6,089,006,340
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
10-143.60.7%1,080,359
15-1967.112.2%18,559,594
20-24162.529.5%40,896,507
25-29148.527.0%36,943,756
30-3495.417.3%22,117,114
35-3950.69.2%10,398,779
40-4418.33.3%3,390,932
45-494.00.7%637,786
50-540.30.0%33,828