Births per 1,000 women, by age of mother

Fertility in World, 1979

World
1979
Total fertility rate: 3.77
Total fertility rate, 1950–2100 · click to pick a year

Year

-5 -1   1979  +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 3.77 children per woman in 1979 — above the replacement level of about 2.1. Births were most frequent among women aged 20-24 (205 per 1,000 women in that age group), and the average mother was 27.9 years old. In total, 125,000,293 babies were born. Source: United Nations, World Population Prospects 2024.

Total fertility rate
3.77
Births
125,000,293
Births per 1,000 people
28.6
Mean age of mothers
27.9
Births to mothers aged 15–19
13.4%
Net reproduction rate
1.54
Boys per 100 girls at birth
105.7
Population
4,368,539,528
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
10-144.80.6%1,161,778
15-1978.710.5%16,759,209
20-24204.727.2%39,551,589
25-29203.227.0%34,687,018
30-34136.318.1%18,605,159
35-3981.310.8%9,462,876
40-4436.14.8%3,977,848
45-497.61.0%753,648
50-540.50.1%41,052