Fertility in Guinea-Bissau, 1970
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1970
Total fertility rate: 6.04
The total fertility rate of Guinea-Bissau was 6.04 children per woman in 1970 — above the replacement level of about 2.1. Births were most frequent among women aged 25-29 (263 per 1,000 women in that age group), and the average mother was 30.1 years old. In total, 22,553 babies were born. Source: United Nations, World Population Prospects 2024.
Key indicators, 1970
Total fertility rate
6.04
Births
22,553
Births per 1,000 people
38.6
Mean age of mothers
30.1
Births to mothers aged 15–19
13.7%
Net reproduction rate
1.76
Boys per 100 girls at birth
103.9
Population
584,402
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 | 12.5 | 1.0% | 463 |
| 15-19 | 107.8 | 9.0% | 3,098 |
| 20-24 | 236.2 | 19.6% | 4,805 |
| 25-29 | 263.5 | 21.9% | 4,342 |
| 30-34 | 237.6 | 19.7% | 3,994 |
| 35-39 | 183.7 | 15.3% | 3,321 |
| 40-44 | 116.1 | 9.6% | 1,881 |
| 45-49 | 43.4 | 3.6% | 613 |
| 50-54 | 3.0 | 0.3% | 36 |
Fertility in Guinea-Bissau by year