<P> Two measures of the longevity are given - this is to allow for the differing number of leap days occurring within the life of each Prime Minister . The first column is the number of days between date of birth and date of death, allowing for leap days; the second column breaks this number down into years and days, with the years being the number of whole years the Prime Minister lived, and the days being the remaining number of days after his / her last birthday . </P> <P> If a Prime Minister served more than one non-consecutive term, the dates listed below are for the beginning of their first term, and the end of their final term . </P> <P> The median age at which a Prime Minister first takes office is roughly 64 years and 8 months, which falls between Gulzarilal Nanda and Chandra Shekhar . The youngest person to become Prime Minister was Rajiv Gandhi, who became Prime Minister at the age of 40 years, 72 days . The oldest person to become Prime Minister was Morarji Desai, who became Prime Minister at the age of 81 years, 23 days . </P> <P> The oldest living Prime Minister is Atal Bihari Vajpayee, born 25 December 1924 (aged 93 years, 173 days). The youngest living Prime Minister is the incumbent Narendra Modi, born 17 September 1950 (aged 67 years, 272 days). </P>

Prime minister of india who died in office