Most recent 2014 list by wikipedia. China has about 10 new ones with the ali baba launch.
Rank Country / Region Number of billionaires Region 1 United States 492 Bill Gates 2 China 152 Wang Jianlin 3 Russia 111 Alisher Usmanov 4 Germany 85 Dieter Schwarz 5 Brazil 65 Jorge Paulo Lemann 6 India 56 Mukesh Ambani 7 United Kingdom 47 Gerald Cavendish 8 Hong Kong 45 Li Ka-shing 9 France 43 Liliane Bettencourt and family 10 Italy 35 Michele Ferrero and family 11 Canada 32 David Thomson and family 12 Australia 29 Gina Rinehart 13 Taiwan 28 Tsai Eng-Meng 14 Japan 27 Masayoshi Son 14 South Korea 27 Lee Kun-Hee 16 Spain 26 Amancio Ortega 17 Turkey 24 Murat Ülker 18 Switzerland 21 Ernesto Bertarelli and family 19 Indonesia 19 R. Budi Hartono 19 Sweden 19 Stefan Persson 21 Israel 18 Eyal Ofer