what are the biggest and smallest age differences between presidents and their successors?
Believe it or not, I actually have comparative data like this already researched and on hand for a book project that I’ve been working on.
Okay, here are the age differences between Presidents and their immediate successors (from largest to smallest age difference). The name of the older of the two Presidents in each comparison is listed in bold:
•26 years, 227 days: Eisenhower/Kennedy•22 years, 69 days: G.H.W. Bush/Clinton•17 years, 295 days: Buchanan/Lincoln•17 years, 46 days: W.H. Harrison/Tyler•15 years, 271 days: McKinley/T. Roosevelt•15 years, 265 days: Jackson/Van Buren•15 years, 51 days: Obama/Trump•15 years, 43 days: Taylor/Fillmore•15 years, 29 days: G.W. Bush/Obama•13 years, 238 days: Carter/Reagan•13 years, 214 days: Pierce/Buchanan•13 years, 126 days: Reagan/G.H.W. Bush•13 years, 119 days: A. Johnson/Grant•11 years, 79 days: Ford/Carter•10 years, 343 days: Polk/Taylor•9 years, 299 days: Van Buren/W.H. Harrison•9 years, 74 days: Monroe/J.Q. Adams•9 years, 46 days: Hayes/Garfield•8 years, 308 days: Wilson/Harding•8 years, 275 days: Kennedy/L. Johnson•7 years, 337 days: Jefferson/Madison•7 years, 173 days: Hoover/F. Roosevelt•7 years, 165 days: J. Adams/Jefferson•7 years, 164 days: Arthur/Cleveland•7 years, 43 days: Madison/Monroe•6 years, 243 days: Harding/Coolidge•6 years, 159 days: Truman/Eisenhower•5 years, 317 days: Cleveland/McKinley•5 years, 218 days: Tyler/Polk•5 years, 135 days: L. Johnson/Nixon•4 years, 320 days: Fillmore/Pierce•3 years, 250 days: Washington/J. Adams•3 years, 210 days: Cleveland/B. Harrison •2 years, 98 days: F. Roosevelt/Truman•2 years, 45 days: Garfield/Arthur•2 years, 37 days: Coolidge/Hoover•1 year, 42 days: T. Roosevelt/Taft•260 days: Taft/Wilson•187 days: Nixon/Ford•160 days: Grant/Hayes•118 days: J.Q. Adams/Jackson•45 days: Lincoln/A. Johnson•44 days: Clinton/G.W. Bush














