Since WWII every Republican president (5) has done better at reelection than election except GHW Bush in 1992 (lost). Ike, Nixon, Reagan, GW Bush
Since WWII every Democrat president (5 excluding Kennedy, DIO) has done worse at reelection than election except Clinton in 1996. 3/5 lost office.
Truman dropped out due to unpopularity (1952).
Johnson dropped out due to unpopularity (1968).
Carter lost (1980).
Obama’s victory margin was less in 2012.
Good info, thanks