Fertility in World, 1975

World
1975
Total fertility rate: 4.08
Births per 1,000 women, by age of mother
1975
Hover a column for the exact rate. Adding up all the rates (× 5 years ÷ 1,000) gives the total fertility rate.
Total fertility rate, 1950–2100 · click to pick a year

Year

-5 -1   1975  +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 4.08 children per woman in 1975 — above the replacement level of about 2.1. Births were most frequent among women aged 25-29 (215 per 1,000 women in that age group), and the average mother was 28.2 years old. In total, 121,030,095 babies were born. Source: United Nations, World Population Prospects 2024.

Total fertility rate
4.08
Births
121,030,095
Births per 1,000 people
29.7
Mean age of mothers
28.2
Births to mothers aged 15–19
13.5%
Net reproduction rate
1.63
Boys per 100 girls at birth
105.6
Population
4,070,735,278
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
10-145.00.6%1,114,066
15-1983.510.2%16,366,300
20-24211.325.9%37,649,028
25-29214.626.3%31,288,863
30-34154.118.9%18,373,281
35-3994.711.6%10,813,585
40-4444.25.4%4,568,814
45-498.61.0%815,089
50-540.50.1%41,049