Births per 1,000 women, by age of mother

Fertility in World, 1978

World
1978
Total fertility rate: 3.79
Total fertility rate, 1950–2100 · click to pick a year

Year

-5 -1   1978  +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 3.79 children per woman in 1978 — above the replacement level of about 2.1. Births were most frequent among women aged 25-29 (203 per 1,000 women in that age group), and the average mother was 27.9 years old. In total, 122,140,645 babies were born. Source: United Nations, World Population Prospects 2024.

Total fertility rate
3.79
Births
122,140,645
Births per 1,000 people
28.5
Mean age of mothers
27.9
Births to mothers aged 15–19
13.3%
Net reproduction rate
1.53
Boys per 100 girls at birth
105.6
Population
4,292,097,502
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
10-144.70.6%1,122,847
15-1979.210.5%16,233,545
20-24202.526.7%38,690,558
25-29202.926.8%33,453,430
30-34139.318.4%18,154,805
35-3982.810.9%9,604,530
40-4437.54.9%4,064,048
45-497.91.0%775,017
50-540.50.1%41,813