All US Vice Presidents are not yet dead.
Rosemary Dempsey
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Never were vice presidentWashingtonMadisonMonroeJ. Q. AdamsJacksonW. H. HarrisonPolkTaylorPierceBuchananLincolnGrantHayesGarfieldClevelandBen. HarrisonMcKinleyTaftWilsonHardingHooverF.D. RooseveltEisenhowerKennedyCarterReaganClintonG. W. BushObama
ten
Johnson. Andrew Johnson (later the 17th US President) was Vice President to Abraham Lincoln. Lyndon B. Johnson (later the 36th US President) was Vice President to John F. Kennedy.
14 so far.You can read more at:What_vice_presidents_became_president
Theodore Roosevelt
As of 2009, Joseph Biden is the 47th US Vice President. Some Presidents have had more than one Vice President, , two vice presidents have served under more than one president (George Clinton and John C. Calhoun) and four (Tyler, Fillmore, A. Johnson, and Arthur) had no Vice President during their successions.
the vice presidents only role is presiding over the senate.
None. There is NO "vise"-President. In the US we have a ViCe-President.