most likely in the top 500 (give or take two units in log2 scale if you are really worried about undeclared billionaires) in a world of population 8000000000 which puts him in top ~ %0.00001.
Unlikely. Billionaires don't drive businesses down the drain MULTIPLE times. Fake lied about how much assets he has and inflated the value of everything he "owns".
Dudes tax returns were leaked and um.... He's broke.
Nah. If you try to say that i am extremely rich compared to a an african or pakistani, then yes, but if in your own country you cannot afford a decent life, then you are poor