Fertility from 1950 to 2100

Fertility in Guam, 1975

Guam
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1975
Total fertility rate: 3.66
Births per 1,000 women, by age of mother
1975
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   1975  +1 +5

Country

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The total fertility rate of Guam was 3.66 children per woman in 1975 — above the replacement level of about 2.1. Births were most frequent among women aged 20-24 (215 per 1,000 women in that age group), and the average mother was 27.4 years old. In total, 2,901 babies were born. Source: United Nations, World Population Prospects 2024.

Key indicators, 1975
Total fertility rate
3.66
Births
2,901
Births per 1,000 people
29.3
Mean age of mothers
27.4
Births to mothers aged 15–19
13.8%
Net reproduction rate
1.70
Boys per 100 girls at birth
106.7
Population
99,057
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, 1975
Mother's ageBirths per 1,000 womenShare of total fertilityBirths
10-141.10.1%5
15-1978.210.6%401
20-24215.329.3%995
25-29208.128.3%864
30-34129.717.7%385
35-3971.79.8%186
40-4427.03.7%59
45-492.90.4%5
50-540.10.0%0