Fertility in United Republic of Tanzania, 2013
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2013
Total fertility rate: 5.16
The total fertility rate of United Republic of Tanzania was 5.16 children per woman in 2013 — above the replacement level of about 2.1. Births were most frequent among women aged 20-24 (232 per 1,000 women in that age group), and the average mother was 29.0 years old. In total, 1,875,230 babies were born. Source: United Nations, World Population Prospects 2024.
Key indicators, 2013
Total fertility rate
5.16
Births
1,875,230
Births per 1,000 people
38.4
Mean age of mothers
29.0
Births to mothers aged 15–19
17.0%
Net reproduction rate
2.29
Boys per 100 girls at birth
102.7
Population
48,824,128
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, 2013
| Mother's age | Births per 1,000 women | Share of total fertility | Births |
|---|---|---|---|
| 10-14 | 1.7 | 0.2% | 5,172 |
| 15-19 | 121.1 | 11.7% | 318,775 |
| 20-24 | 232.3 | 22.5% | 510,712 |
| 25-29 | 228.7 | 22.2% | 429,942 |
| 30-34 | 199.0 | 19.3% | 317,601 |
| 35-39 | 152.8 | 14.8% | 200,921 |
| 40-44 | 77.0 | 7.5% | 77,480 |
| 45-49 | 18.7 | 1.8% | 14,067 |
| 50-54 | 0.9 | 0.1% | 557 |
Fertility in United Republic of Tanzania by year