The financial crisis is taking its toll on the world's richest people, wiping 332 names off Forbes magazine's "rich list" of world billionaires. Bill Gates, the founder of Microsoft Corporation, resumes the tiltle of "World's Richest Man". The stock market collapse helped Microsoft founder Bill Gates regain the top spot, despite his wealth declining $18bn to $40bn. Following is the list of top 5 billionaires in the world-The total number of Billionaires in 2009 are 793 (1125 in 2008).
Indian businessman Anil Ambani experienced the biggest reversal of fortunes, slipping to number 34 on the list from number six last year, as his net worth sank by $31.9bn to $10.1bn over the past 12 months.