The world has 2,668 billionaires, according to Forbes' calculation. They are collectively worth $12.7 trillion—$400 billion less than in 2021 due to the pandemic. America leads the world with the number of billionaires, totaling 735 billionaires worth a collective $4.7 trillion. Of the 2,668 billionaires, there are only 15 Blacks, cutting across Africa, the U.S....