In Google "news", there is a link to a Breitbart article that claims President Obama had an approval rating lower than Nixon or G.W. Bush. They might have been giving the average over their whole term, I'm not going there to find out. I did look at Gallup, and what happened is that Obama had a much more even approval rating than the other two, and at the end of his term was FAR above them.
Typical of Breitbart, a right-wing propaganda site, full of lies. They obviously were trying to find a way to distract from the fact that President Obama's approval ratings when he left office were so high, and Trump's current ratings are so low.
Gallup Poll: Obama Approval Rating Lower Than Nixon, Bush
Breitbart News - 7 hours ago
Former President Barack Obama had an overall average approval rating of 47.9 percent, according to a Gallup poll released Friday. Obama is behind Richard Nixon, who resigned from office, and George W. Bush, who had an approval rating drop to 25 ...