Here Are All of the US Presidents Ranked By Their IQ

Big Head, Big Brain

John Quincy Adams had a notoriously large head, most likely so it could hold his high 175 IQ. That's the highest IQ of any president that has ever lived. John Quincy Adams was a lawyer before and after his presidency, and he helped create the legal systems that we still use to this day. 

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The More You Know

  • People don’t sneeze in their sleep due to their brain shutting down the reflex.
  • A full jumbo jet tank has enough fuel to drive a car around the world four times.
  • May 22nd is the least common birth date.
  • Shakespeare is easier to understand, makes more sense, and is punnier when it's recited in its original pronunciation instead of a modern English accent.
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