Social & Preventive Medicine If annual growth rate of a population is 1.5-2%, what number of years will be required to double the population A 70-47 years B 35-47 years C 35-28 years D 28-23 years 💡 Explanation If annual growth rate of a population is 1.5-2%, what number of years will be required to double the population ✓ Correct Answer: B. 35-47 years