Per Wikipedia: "President Obama has averaged an approval rating of 47% through his first six years in office, which has dropped his average approval more than 2% points below Richard Nixon (49.1%) and George W. Bush (49.4%). Historical Gallup Poll approval highs and lows for each President since 1937."
https://en.wikipedia.org/wiki/United_States_presidential_approval_rating
https://en.wikipedia.org/wiki/United_States_presidential_approval_rating