If annual growth rate of a population is 1.5-2%, what number of years will be required to double the population
Correct Answer: 35-47 years
Description: When crude death rate is substracted from crude bih rate , the net residual is current annual grow rate , exclusive of migration. When the annual growth rate of a population is 1.5% to 2.0%, it takes 35-47 years to double the size of population. Reference : Park&;s textbook of preventive and social medicine, 23rd edition, pg no: 481, table 5
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Social & Preventive Medicine
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