text: 1 William Gates III   50.0 billion United States \n2 Warren Buffett      42.0 billion United States \n3 Carlos Slim Helu   30.0 billionMexico \n4 Ingvar Kamprad   28.0 billionSwitzerland \n5 Lakshmi Mittal   23.5 billionUnited Kingdom\n\netc. etc...See Forbes Rich List http://www.forbes.com/lists/2006/10/Worth_1.html