20 Least Intelligent US Presidents Ranked By IQ

Published by: Priyanka Phillips

Before we cause any sparks to fly we would like to clarify that the IQ test was invented in 1905 and one can only get an approximate figure about the IQ and intelligence of these presidents. However, these presidents have also been studied by UC Davis Professor Dean Simonton in 2006 based on the history of these former presidents. It seems that some of them were actually quite smart.

George Washington

20 George Washington

Estimated IQ: 132.5

Washington did not receive any formal education; however he still managed to become the first president of the nation. He also served the army during the American Revolutionary War as the Commander-in-Chief of the Continental Army.

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