Percentage of billionaire population donating to cause: 12.4%
Former hedge-fund manager George Soros is among 12.4% of billionaires worldwide who donate to organizations that focus on public affairs, according to Wealth-X. Soros' nonprofit, Open Society Foundations, aims to on support democracy through grants for projects in human rights and criminal justice, journalism, and other fields, according to its website.
Business Insider previously reported that Soros is also a major donor to liberal politicians, having spent $25 million during the 2016 presidential election to support former Secretary of State Hillary Clinton.