Births per 1,000 women, by age of mother

Fertility in United Republic of Tanzania, 1957

United Republic of Tanzania
1957
Total fertility rate: 6.44
Total fertility rate, 1950–2100 · click to pick a year

Year

-5 -1   1957  +1 +5

Country

A B C D E F G H I J K L M N O P Q R S T U V W Y Z

The total fertility rate of United Republic of Tanzania was 6.44 children per woman in 1957 — 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 29.1 years old. In total, 439,107 babies were born. Source: United Nations, World Population Prospects 2024.

Total fertility rate
6.44
Births
439,107
Births per 1,000 people
48.2
Mean age of mothers
29.1
Births to mothers aged 15–19
19.0%
Net reproduction rate
2.04
Boys per 100 girls at birth
103.2
Population
9,115,790
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.
Mother's ageBirths per 1,000 womenShare of total fertilityBirths
10-1421.31.7%12,586
15-19170.013.2%83,564
20-24258.920.1%107,996
25-29262.720.4%91,834
30-34242.318.8%70,413
35-39186.314.5%44,966
40-44109.68.5%21,840
45-4934.32.7%5,615
50-542.20.2%294