Waist–hip ratio
The waist-hip ratio or waist-to-hip ratio (WHR) is the dimensionless ratio of the circumference of the waist to that of the hips.
This is calculated as waist measurement divided by hip measurement (W ÷ H). For example, a person with a 30″ () waist and 38″ () hips has a waist-hip ratio of about 0.78.
Head count ratio
The Head count ratio (HCR) is the proportion of a population that exists, or lives, below the poverty line. The Poverty headcount ratio at national poverty line (percentage of population) in India was last reported at 21.9% in 2011-12.
Definition:-When the number of poor is estimated as the proportion of people below the poverty line, it is known as 'head count ratio'.