The 44 Dumbest U.S. Presidents Ranked By IQ

31. Millard Fillmore: 149

Dumber than 13 other presidents, Millard Fillmore had an estimated IQ of 149. With very little formal education, Fillmore learned his trade through an apprenticeship rather than college courses. He was also the last member of the Whig Party to hold the White House. Surprisingly, the 13th president had the same IQ as one of recent history’s most controversial presidents…