who is the richest person in the world top ten?
['Mark Zuckerberg, $78.6bn. ... ', '4. Bernard Arnault & family, $76bn. ... ', 'Warren Buffett, $67.5bn. ... ', 'Larry Ellison, $59bn. ... ', 'Amancio Ortega, $61.9bn. ... ', 'Jim Walton, $54.6bn. ... ', 'Alice Walton $54.4bn. ... ', 'Rob Walton, $54.1bn.']