GENEVA -  The number of billionaires worldwide rose above 1,500 last year, a 10 percent jump from 2015, due largely to a surge in Asia, Swiss banking giant UBS and auditors PwC said Thursday. In an annual report, UBS and PwC said that last year marked the first time it recorded more billionaires in Asia (637) than in the United States (563), crediting the rise of China’s entrepreneurs. Europe took third spot in the report’s billionaire database with 342.