Fertility in United Republic of Tanzania, 1951
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1951
Total fertility rate: 6.20
The total fertility rate of United Republic of Tanzania was 6.20 children per woman in 1951 — above the replacement level of about 2.1. Births were most frequent among women aged 25-29 (254 per 1,000 women in that age group), and the average mother was 29.1 years old. In total, 360,454 babies were born. Source: United Nations, World Population Prospects 2024.
Key indicators, 1951
Total fertility rate
6.20
Births
360,454
Births per 1,000 people
46.1
Mean age of mothers
29.1
Births to mothers aged 15–19
18.9%
Net reproduction rate
1.92
Boys per 100 girls at birth
103.2
Population
7,812,975
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, 1951
| Mother's age | Births per 1,000 women | Share of total fertility | Births |
|---|---|---|---|
| 10-14 | 21.2 | 1.7% | 10,410 |
| 15-19 | 163.1 | 13.1% | 68,082 |
| 20-24 | 249.3 | 20.1% | 88,206 |
| 25-29 | 254.0 | 20.5% | 75,594 |
| 30-34 | 234.2 | 18.9% | 58,348 |
| 35-39 | 179.6 | 14.5% | 37,102 |
| 40-44 | 104.9 | 8.5% | 17,866 |
| 45-49 | 33.0 | 2.7% | 4,605 |
| 50-54 | 2.1 | 0.2% | 242 |
Fertility in United Republic of Tanzania by year