1 William Gates III

2 Warren Buffett

3 Carlos Slim Helu & family

4 Lawrence Ellison

5 Ingvar Kamprad & family

6 Karl Albrecht

7 Mukesh Ambani

8 Lakshmi Mittal

9 Theo Albrecht

10 Amancio Ortega

11 Jim Walton

12 Alice Walton

12 Christy Walton & family

12 S Robson Walton

15 Bernard Arnault

16 Li Ka-shing

17 Michael Bloomberg

18 Stefan Persson

19 Charles Koch

19 David Koch

21 Liliane Bettencourt

22 Prince Alwaleed Bin Talal Alsaud

23 Michael Otto & family

24 David Thomson & family

25 Michael Dell