Between Feb. 1951 and Dec. 1952, unemployment ranged from 2.7% to 3.4% (much lower than today). Harry Truman's approval (Gallup) ranged from 22% to 32%. He chose not to seek re-election (more)
Between June 1967 and Dec. 1968, unemployment ranged from 3.4% to 3.9%. Lyndon Johnson's approval (Gallup) ranged from 35% to 51%. He chose not to seek re-election (more)
Between Aug. 1973 and Dec. 1973, unemployment ranged from 4.8% to 4.9%. Richard Nixon's approval (Gallup) ranged from 29% to 34%. He resigned the next year (more)
-Jimmy Carter created far more jobs - even with a population 1/3 smaller - than Trump has thus far. He was shown the door
-George H.W. Bush won the Iraq war, presided over the fall of the Berlin Wall, collapse of the Soviet Union and peaceful end the Cold War - and lost
Presidents are evaluated on many variables (this list @CSPAN uses for its surveys of historians is a starting point). The things that have brought down numerous Presidents since 1800 (when Adams lost) offer Trump numerous lessons - that he'll never learn watching Fox & Friends