The Combined Net Worth Of The World's Billionaires Is $8 Trillion

The combined fortune of every billionaire in the planet is a mind-boggling $8 trillion, up 16 percent from a year ago.

According to the Hurun Global Rich List 2017, there are 2,257 billionaires in the world — 69 more than there were a year ago and 804 more compared to five years ago.

For the second straight year, China accounted for the highest number of billionaires at 609 — 41 more than a year ago. Also, the city of Beijing was crowned the "billionaire capital of the world."

The United States accounts for 552 billionaires, up 17 from a year ago. Germany ranked third with 109 billionaires, followed by India with 100 billionaires.

Bill Gates: Still The Richest

Bill Gates saw his net worth rise by 1 percent from a year ago to $81 billion. Warren Buffett's net wealth rose by an impressive 15 percent to $78 billion but pales in comparison to Amazon.com, Inc. AMZN's CEO Jeff Bezos, whose net worth soared 37 percent to $72 billion.

Among the world's top 10 richest, eight are American. Spain's Amancio Ortega ranked fourth with a net worth of $69 billion, and Mexico's Carlos Slim Helu and family ranked seventh with a net worth of $46 billion.

The world's youngest billionaire is Mark Zuckerberg, the 32-year old co-founder and CEO of Facebook Inc FB with a net worth of $58 billion (not including his plans to donate 99 percent of his Facebook fortune).

David Rockefeller Sr is the oldest billionaire at 101.