There are 2152 billionaires in the world today,and a record 70 of them managed to become members of the 10 figure+ crowd before they turned 40. Of these, 40 of them are self-made with 30 of them from the tech industry, or six in fashion and retail,and seven in genuine estate.
Read more: Seventy Billionaires Are Under 40 This Yea
Source: celebritynetworth.com