Nearly 200 of America's Top Political Scientists Have Voted Donald Trump the Worst President in US History

According to the 2018 Presidents & Executive Politics Presidential Greatness Survey, Mr Trump ranks lower than disgraced President Richard Nixon  even among conservatives. The study, conducted every four years, surveys social science researchers from the American Political Science Association's section on presidents and executive politics. It asks the experts to rank each president's greatness on a scale of 0 to 100, with 100 being great, 50 being average, and 0 being a total failure.

Mr Trump averaged a score of 12.34, bumping James Buchanan out of the bottom spot  Buchanan descend our country into the Civil War  The result comes just months after Trump finished his first year in office as the most unpopular president in modern history

Mr Trump's predecessor, Barack Obama, jumped 10 places since the survey was last conducted in 2014, to spot number eight. Abraham Lincoln, won the top of the list.