Combined wealth of all billionaires over 3 times UK's GDP
The combined wealth of the world's billionaires increased by 24% year-on-year to $9.2 trillion in 2017, which is over three times the UK's GDP, according to a report by Wealth-X. A record 357 new billionaires were added last year, taking billionaires population to an all-time high of 2,754. The number of female billionaires rose by 18% to 321 last year.