Introduction:Life span is defined as the maximum number of years that a human can live, while life expectancy is the average total number of years that a human achieves.Life span is defined as the period between life and death of an individual.Life expectancy is an attribute of population whereas life span is an attribute of an individual.India's rank in life expectancy:According to the latest WHO data published in 2020 life expectancy in India is: Male 69.5, female 72.2 and total life expectancy is 70.8 which gives India a World Life Expectancy ranking of 117 in year 2020. Thus India is