1 Mukesh and Anil Ambani( India )
·        Petrochemicals £43bn
2 The Walton family (America)
·        Retailing (Wal-Mart) £38.4bn
3 Warren Buffett( America )
·        Investments £31bn
4 Carlos Slim Helu (Mexico)
·        Telecoms £30bn
5 Bill Gates(America )
·        Software (Microsoft) £29bn
6 Lakshmi Mittal* (UK)
·        Steel £27.7bn
7 Karl & Theo Albrecht* (Germany)
·        Supermarkets £25bn
8 Forrest & John Mars* (America )
·        Confectionery £21bn
9 King Abdullah (Saudi Arabia )
·        Oil £20bn
10 Sultan of Brunei (Brunei )
·        Oil £18bn
11 The Sawiris family (Egypt )
·        Telecoms and construction £17.9bn
12 Charles and David Koch (America )
·        Oil services £17bn
13 Ingvar Kamprad (Sweden )
·        Retailing (Ikea) £15.5bn
14 Kushal Pal Singh (India)
·        Property £15bn
15 The Brenninkmeyer family (Holland)
·        Retailing £14.6bn
16 Oleg Deripaska (Russia)
·        Industry £14bn
17 Li Ka-shing (Hong Kong)
·        Industry £13.3bn
18 The Pritzker family (America)
·        Hotels, investments £13.2bn
19 Sheldon Adelson( America )
·        Casinos £13bn
19 Johanna Quandt* (Germany)
·        Cars (BMW) £13bn
21 Bernard Arnault (France)
·        Luxury goods £12.8bn
22 Larry Ellison (America)
·        Computers (Oracle) £12.5bn
22 Â Abigail and Edward Johnson (America)
·        Investments £12.5bn
24 Roman Abramovich (UK )
·        Oil, industry £11.7bn
25 Liliane Bettencourt(France)
·        Cosmetics £11.5bn
26 Alexei Mordashov (Russia)
·        Industry £10.6bn
27 Prince Alwaleed (Saudi Arabia)
·        Investments £10.5bn
28 Mikhail Fridman (Russia)
·        Oil, banking £10.4bn
28 The Herz family (Germany)
·        Coffee £10.4bn
30 Vladimir Lisin (Russia)
·        Steel £10.2bn
31 Amancio Ortega (Spain)
·        Fashion £10.1bn
32 The Kwok brothers (Hong Kong)
·        Property £10bn
32 The Mulliez family (France )
·        Retailing £10bn
34 Stefan and Liselott Persson (Sweden)
·        Retailing £9.9bn
35 Mikhail Prokhorov(Russia)
·        Metals £9.8bn
36 Vladimir Potanin (Russia)
·        Metals £9.7bn
37 Lee Shau Kee (Hong Kong )
·        Property £9.5bn
37 David Thomson( Canada)
·        Media, oil £9.5bn
39 Sergey Brin( America)
·        Internet (Google) £9.4bn
40 Larry Page (America)
·        Internet (Google) £9.3bn
41 The Oeri/Hoffmann family (Switzerland)
·        Pharmaceuticals £9.2bn
42 Michael Otto( Germany)
·        Mail order £9.1bn
43 Suleiman Kerimov (Russia )
·        Finance £8.8bn
44 Samuel and Donald Newhouse (America)
·        Publishing £8.5bn
44  François Pinault (France)
·        Luxury goods £8.5bn
46 Michael Dell (America )
·        Computers (Dell) £8.4bn
47 Paul Allen (America )
·        Software (Microsoft) £8bn
47 Kirk Kerkorian (America )
·        Investments £8bn
49 Steve Ballmer (America )
·        Software (Microsoft) £7.5bn £7.7bn
49 Shashi & Ravi Ruia (India)
·        Steel, oil, telecoms £7.5bn
51 Nasser al-Kharafi*(Kuwait )
·        Construction £7bn
51 Bass family (America )
·        Oil £7bn
51 Carl Icahn (America)
·        Finance £7bn
51 German Khan (Russia )
·        Oil, banking £7bn
51 Birgit Rausing* (Switzerland)
·        Industry £7bn
51 Jack Taylor (America )
·        Car rental £7bn
51 Duke of Westminster (UK)
·        Property £7bn
58 Spiro Latsis* (Greece)
·        Shipping £6.7bn
59 Vagit Alekperov (Russia )
·        Oil £6.5bn
59 Donald Bren (America )
·        Property £6.5bn
59 Alain & Gerard Wertheimer(France)
·        Fashion (Chanel) £6.5bn
62 Azim Premji (India )
·        Software £6.4bn
62 Dmitry Rybolovlev (Russia)
·        Chemicals £6.4bn
64 Anne Cox Chambers (America)
·        Media £6.3bn
65 Gopi and Sri Hinduja (UK)
·        Oil, industry, finance £6.2bn
66 Iskander Makhmudov (Russia)
·        Mining, metals £6bn
66 Thomas and Stephan Schmidheiny (Switzerland)
·        Construction £6bn
66 Fentener Van Vlissingen family (Holland)
·        Energy, retail £6bn
69 Sunil Mittal* (India )
·        Telecoms £5.9bn
70 Alexander Abramov (Russia)
·        Steel, mining £5.8bn
70 Michael Bloomberg (America)
·        Bloomberg Media £5.8bn
70 Joseph and Moise Safra (Brazil)
·        Finance £5.8bn
73 Jean-Louis Dumas (France )
·        Fashion (Hermès) £5.7bn
73 Alisher Usmanov (UK )
·        Steel £5.7bn
75 Ernesto & Kirsty Bertarelli (UK)
·        Pharmaceuticals £5.6bn
75 Gérard Louis-Dreyfus*(France)
·        Commodities £5.6bn
75 Viktor Vekselberg (Russia)
·        Oil, metals £5.6bn
78 Michele Ferrero*( Italy )
·        Chocolates £5.5bn
78 George Kaiser (America )
·        Oil, banking £5.5bn
80 Alexei Kuzmichev (Russia)
·        Oil, banking £5.4bn
80 Hans Rausing* (UK)
·        Packaging £5.4bn
82 Philip Knight (America)
·        Footwear (Nike) £5.2bn
82 Victor Rashnikov (Russia)
·        Iron, steel £5.2bn
84 Kumar Birla (India)
·        Commodities £5.1bn
85 Leonardo Del Vecchio (Italy )
·        Eyewear £5bn
85 Iris Fontbona*( Chile)
·        Mining, metals £5bn
85 Antonio Ermirio de Moraes*(Brazil)
·        Industry, finance £5bn
88 Vladimir Yevtushenkov (Russia )