Fertility from 1950 to 2100

Fertility in Guam, 1955

Guam
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1955
Total fertility rate: 6.22
Births per 1,000 women, by age of mother
1955
Hover a column for the exact rate. Adding up all the rates (× 5 years ÷ 1,000) gives the total fertility rate.
Total fertility rate, 1950–2100 · click to pick a year

Year

-5 -1   1955  +1 +5

Country

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The total fertility rate of Guam was 6.22 children per woman in 1955 — above the replacement level of about 2.1. Births were most frequent among women aged 20-24 (357 per 1,000 women in that age group), and the average mother was 28.6 years old. In total, 2,276 babies were born. Source: United Nations, World Population Prospects 2024.

Key indicators, 1955
Total fertility rate
6.22
Births
2,276
Births per 1,000 people
35.5
Mean age of mothers
28.6
Births to mothers aged 15–19
7.9%
Net reproduction rate
2.80
Boys per 100 girls at birth
106.7
Population
64,078
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, 1955
Mother's ageBirths per 1,000 womenShare of total fertilityBirths
10-141.10.1%3
15-1986.87.0%179
20-24357.128.6%683
25-29330.426.5%643
30-34229.818.4%442
35-39155.812.5%232
40-4478.86.3%88
45-497.50.6%7
50-540.30.0%0