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5020822678demographyscientific study of population0
5020822679arithmetic densitytotal number of people divided by the total land area1
5020822680physiological densitynumber of people supported by a unit of arable land2
5020822681agricultural densityratio of the number of farmers to the amount of arable land3
5020822682crude birth rate (cbr)total number of live4
5045598471crude death rate (cdr)the total number of deaths in a year for every 1,000 people alive in society.5
5045598472natrual increase rateis the percentage by which a population grows in a year6
5054112279doubling timenumber of years needed to double a population7
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