World's richest increase wealth by almost 20 percent

Five hundred billionaires now control about $5.3 trillion of the world's wealth, up almost 20 percent from 2016 when they claimed about $4.4 trillion. Now just 500 of the the world's 7.6 billion people control 6.6 percent of the world's over  $80 trillion of broad money. 

World's richest increase wealth by almost 20 percent