How do you determine who the worst presidents in U.S. history are? Asking some of the most notable presidential historians is a good place to start. In 2017, C-SPAN issued their third in-depth survey of presidential historians, asking them to identify the nation's worst presidents and discuss why.
For this survey, C-SPAN consulted 91 leading presidential historians, asking them to rank the United States' leaders on 10 leadership characteristics. Those criteria include a president's legislative skills, his relations with Congress, performance during crises, with allowances for historical context.
Over the course of the three surveys, released in 2000 and 2009, some of the rankings have changed, but the three worst presidents have remained the same, according to historians. Who were they? The results just might surprise you!