List of Prime Ministers of India by longevity

This is a list of Indian Prime Ministers by longevity. Where the person in question is still living, the longevity is calculated up to .

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.

Overview

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.

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.

The oldest living Prime Minister is I. K. Gujral, born 4 December 1919 (aged ). The second-oldest living Prime Minister is A. B. Vajpayee, born 25 December 1924 (aged ). The youngest living Prime Minister is H. D. Deve Gowda, born 18 May 1933 (aged ).

The longest lived Prime Minister was Gulzarilal Nanda, who lived to the age of 99 years, 195 days. Morarji Desai was the second-longest lived Prime Minister. Desai lived to the age of 99 years, 40 days, only 155 days short of matching Nanda. I. K. Gujral, the oldest living Prime Minister, will tie Nanda if he lives to 16 June 2019. The shortest lived Prime Minister was Rajiv Gandhi, who was assassinated at the age of 46 years, 274 days.

Prime Ministers of India