Births per 1,000 women, by age of mother

Fertility in Puerto Rico, 1978

Puerto Rico
1978
Total fertility rate: 2.85
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 Puerto Rico was 2.85 children per woman in 1978 — above the replacement level of about 2.1. Births were most frequent among women aged 20-24 (180 per 1,000 women in that age group), and the average mother was 26.3 years old. In total, 75,027 babies were born. Source: United Nations, World Population Prospects 2024.

Total fertility rate
2.85
Births
75,027
Births per 1,000 people
24.1
Mean age of mothers
26.3
Births to mothers aged 15–19
17.8%
Net reproduction rate
1.34
Boys per 100 girls at birth
105.1
Population
3,114,153
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
10-141.90.3%322
15-1982.014.4%13,344
20-24179.931.6%25,649
25-29158.127.8%19,960
30-3492.416.2%10,647
35-3941.27.2%3,958
40-4412.52.2%1,048
45-491.30.2%96
50-540.10.0%4