2,170

That's how many billionaires there are in the world according to Wealth-X, "the definitive source of intelligence on the ultra wealthy with the world’s largest collection of curated research on UHNW (ultra high net worth) individuals.  Who knows whether their data is accurate of not.  But here are a couple of claims they make:

• Asia is fastest growing region with 18 new billionaires in 2013
• 810 individuals became billionaires since the 2009 global financial crisis
• The billionaire population’s combined net worth more than doubled from US$3.1 trillion in 2009 to US$6.5 trillion in 2013 – enough to fund the United States budget deficit until 2024, and greater than the GDP of every country except the United States and China. 
• Europe is home to the most billionaires (766 individuals). However, North America has the most billionaire wealth (US$2,158 billion).
• Average net worth of the world’s billionaires is US$3 billion.
• Globally, there are 111 individuals who each have a net worth that exceeds US$10 billion. Their combined net worth is over US$1.9 trillion, greater than the GDP of Canada.
• 60 percent of billionaires are self-made, while 40 percent inherited their wealth or grew their fortunes from inheritance.