There are currently about 790 billionaires around the world, and sixth place on the list of the world's richest people is held by a German, Karl Albrecht of Aldi Süd.

Here is the list of billionaires from rank one to twenty:

1 William Gates III USA Microsoft           
2 Warren Buffett USA Berkshire Hathaway
3 Carlos Slim Helú Mexico Telmex
4 Lawrence Ellison USA Oracle Corporation
5 Ingvar Kamprad Sweden Ikea
6 Karl Albrecht Germany Aldi Süd
7 Mukesh Ambani India Reliance Industries
8. lakshmi Mittal India Arcelor Mittl
9. Theo Albrecht Germany Aldi Nord
10 Amancio Ortega Spain Inditex Group
11 Jim Walton USA WalMart
12 Alice Walton USA Walmart
13 Christy Walton USA WalMart
14 S Robson Walton USA WalMart
15 Bernard Arnault France Louis Vuitton
16 Li Ka-shing Hong Kong Cheung Kong Holdings
17 Michael Bloomberg USA Bloomberg L.P.
18 Stefan Persson Sweden H & M
19 Charles Koch USA Koch Industries
20 David Koch USA Koch Industries