Employment , access to healthcare , and education are all closely linked to longer lifespans . Researcher estimates the birth , death , and retirement years of every American president . Two - thirds of presidents live ( or are living ) longer than their projected lifespans .
Wealth , access to healthcare , and education are all closely linked to longer lifespans . Researcher collected the birth , death , and inauguration dates of every American president . Two-thirds of presidents lived ( or are living ) longer than their projected lifespans .