World's top 20 billionaires: Forbes

Herewith the 20 richest people in the world, according to Forbes magazine's annual list of billionaires.

Name Net Worth Source of Wealth (in billion USD)

Warren Buffett (US): 62 Berkshire Hathaway

Carlos Slim (Mexico): 60 Telecoms

Bill Gates (US): 58 Microsoft

Lakshmi Mittal (India): 45 Steel

Mukesh Ambani (India): 43 Petrochemicals

Anil Ambani (India): 42 Diversified

Ingvar Kamprad (Sweden): 31 Ikea

KP Singh (India): 30 Real estate

Oleg Deripaska (Russia) 28 Russian Aluminum

Karl Albrecht (Germany): 27 Aldi

Li Ka-Shing (Hong Kong): 26.5 Diversified

Sheldon Adelson (US): 26 Casinos, hotels

Bernard Arnault (France): 25.5 LVMH

Lawrence Ellison (US): 25 Oracle

Roman Abramovich (Russia): 23.5 Oil

Theo Albrecht (Germany): 23 Aldi, Trader Joe's

Liliane Bettencourt (France): 22.9 L'Oreal

Alexei Mordashov (Russia): 21.2 Severstal

Prince A Bin Talal Alsaud (Saudi Arabia): 21 Investments

Mikhail Fridman (Russia): 20.8 Oil, banking