Social & Preventive Medicine In the calculation of Years of Potential Life Lost (YPLL), the denominator is- A Population under 75 years of age B Midyear population C Population in the ages of 15 to 65 years D Population above 15 years of age π‘ Explanation In the calculation of Years of Potential Life Lost (YPLL), the denominator is- β Correct Answer: A. Population under 75 years of age