Fertility in Puerto Rico, 1970
Puerto Rico
Afghanistan
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Less developed regions, excluding least developed countries
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World
Yemen
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1970
Total fertility rate: 3.17
The total fertility rate of Puerto Rico was 3.17 children per woman in 1970 — above the replacement level of about 2.1. Births were most frequent among women aged 20-24 (196 per 1,000 women in that age group), and the average mother was 27.1 years old. In total, 67,526 babies were born. Source: United Nations, World Population Prospects 2024.
Key indicators, 1970
Total fertility rate
3.17
Births
67,526
Births per 1,000 people
24.7
Mean age of mothers
27.1
Births to mothers aged 15–19
15.8%
Net reproduction rate
1.47
Boys per 100 girls at birth
104.9
Population
2,734,422
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.
Fertility by age of mother, 1970
| Mother's age | Births per 1,000 women | Share of total fertility | Births |
|---|---|---|---|
| 10-14 | 1.1 | 0.2% | 181 |
| 15-19 | 73.1 | 11.5% | 10,653 |
| 20-24 | 195.6 | 30.9% | 24,313 |
| 25-29 | 176.6 | 27.9% | 17,739 |
| 30-34 | 102.3 | 16.2% | 8,609 |
| 35-39 | 58.7 | 9.3% | 4,359 |
| 40-44 | 21.6 | 3.4% | 1,409 |
| 45-49 | 4.0 | 0.6% | 253 |
| 50-54 | 0.2 | 0.0% | 11 |
Fertility in Puerto Rico by year