Year Candidate Approval Margin Result 1940 Roosevelt 62 10 Won 1948 Truman 50 4.5 Won 1956 Eisenhower 70 15.4 Won 1964 Johnson 67 22.6 Won 1972 Nixon 57 23.2 Won 1976 Ford 48 -2.1 Lost 1980 Carter 31 -9.7 Lost 1984 Reagan 57 18.2 Won 1992 G.H.W.Bush 39 -5.5 Lost 1996 Clinton 55 8.5 Won 2004 G.W.Bush 49 2.4 Won 2012 Obama 50 3.9 Won