Fertility in Guinea-Bissau, 1980
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1980
Total fertility rate: 6.49
The total fertility rate of Guinea-Bissau was 6.49 children per woman in 1980 — above the replacement level of about 2.1. Births were most frequent among women aged 25-29 (283 per 1,000 women in that age group), and the average mother was 30.1 years old. In total, 40,321 babies were born. Source: United Nations, World Population Prospects 2024.
Key indicators, 1980
Total fertility rate
6.49
Births
40,321
Births per 1,000 people
48.6
Mean age of mothers
30.1
Births to mothers aged 15–19
11.6%
Net reproduction rate
2.03
Boys per 100 girls at birth
104.0
Population
829,302
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, 1980
| Mother's age | Births per 1,000 women | Share of total fertility | Births |
|---|---|---|---|
| 10-14 | 12.3 | 0.9% | 563 |
| 15-19 | 119.1 | 9.2% | 4,686 |
| 20-24 | 255.7 | 19.7% | 9,921 |
| 25-29 | 283.1 | 21.8% | 10,226 |
| 30-34 | 256.8 | 19.7% | 7,448 |
| 35-39 | 198.4 | 15.3% | 4,465 |
| 40-44 | 125.1 | 9.6% | 2,284 |
| 45-49 | 47.1 | 3.6% | 691 |
| 50-54 | 3.3 | 0.3% | 38 |
Fertility in Guinea-Bissau by year