8.1 Human Population dynamics
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Last updated 7:11 PM on 4/20/24
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5 Terms
1
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Crude Birth Rate (CBR)
Number of births per 1000 people per year
(Total number of births/total population) X 1000
2
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Crude Death Rate (CDR)
Number of deaths per 1000 people per year
(Total number of births/total population) X 1000
3
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Natural Increase Rate (NIR)
(CBR - CDR)/10
4
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Doubling Time (DT)
This is the time it takes for a population to double in size.
70/NIR
5
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Total fertility rate
The average number of births per woman of child-bearing age.
