Obama ranked as one of top 10 best presidents ever  

Obama, on multiple surveys, invluding by historians (both liberal and conservative) have Ranked President Obama in the top 10 best presidents of all time.

Trump, on the other hand, has been ranked 2nd to worst or worst.

Trump had one of the worst overall approval ratings of any president in recorded history.

https://www.usnews.com/news/special-reports/the-worst-presidents/articles/ranking-americas-worst-presidents - Ranks Trump in bottom 2

https://en.wikipedia.org/wiki/Historical_rankings_of_presidents_of_the_United_States - Bottom 3 for Trump -This is over multiple measures and metrics from Historians

Obama in the top 10 

https://www.cbsnews.com/pictures/presidents-ranked-worst-best/3/ - Trump bottom 3 again

So Old guy, you can rank them in your mind the way you seem fit. It's just that it's your own imgaination and you're entitled to it!