The Last Time Incumbent President Lost Without Third Party Hurting Him was Jimmy Carter in Reelection Defeat


Bill Clinton beat George H. W. Bush in 1992 only because Ross Perot gained 20% of the vote as a third party candidate (most of them who would have voted for Bush), thus woeful Jimmy Carter in 1980 was the last incumbent president to have lost reelection in a one-on-one match-up.