James Buchanan – 139.6
The 15th president didn’t make any big improvements over his predecessor in terms of policy. As most historians will recall, James Buchanan had set himself some lofty goals when he was elected President of the United States of America. During his administration, Buchanan pledged to reach the heights of George Washington’s political career, which he did in his first term. According to new research, President James Buchanan now ranks 139th among the presidents who had an IQ of less than 140. Unfortunately, he was not able to complete the journey on his own accord.
James Buchanan
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