Which Presidents Have the Highest IQs?

#41. Andrew Johnson #17 - IQ 125.7

Johnson ascended to the presidency after Abraham Lincoln’s assassination, but was subsequently the first impeached president of the United States after his plans to restore the seceded states to the Union without granting protection to former slaves, came into conflict with the Congress.

#42. Zachary Taylor #12 - IQ 125.7

The celebrated war hero was nicknamed, “Old rough and ready” for his acts during the Mexican-American War. But just because you’re good at warfare, doesn’t make one supremely intelligent.

#43. James Buchanan #15 - IQ 126

whitehouse.gov

James Buchanan had an IQ of 126, which is pretty staggering when you consider the state of public education in the country during the time that he was in school.

#44. Andrew Jackson #7 - IQ 126.3

whitehouse.gov

Andrew Jackson had an IQ of 126.3, which begs the question - IQs can have decimal points? Since when? We should ask Andrew Jackson, he’s probably smart enough to know the answer.

Which Presidents Have the Highest IQs?

#41. Andrew Johnson #17 - IQ 125.7

#42. Zachary Taylor #12 - IQ 125.7

#43. James Buchanan #15 - IQ 126

#44. Andrew Jackson #7 - IQ 126.3

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