It is a ranking of the US Dollar billionaires in the world.
This is the tenth year of the ranking.
Tesla's Elon Musk becomes the richest man in world for first time.
Amazon.com Inc. boss Jeff Bezos and Bernard Arnault, chief executive of LVMH ranked second and third globally, respectively.
Country-wise, China leads with the most number of billionaires at 1058, followed by the US (696), India (177), Germany, the United Kingdom and Switzerland at over 100 each.
By continent, Asia accounts for 51 per cent of the billionaires.
According to this report, the world added 8 billionaires a week in 2020 – 421 in a year – taking their total number to a record 3,288
The Hurun Global Rich List 2021 ranked 3228 billionaires from 2,402 companies and 68 countries.