1. United States (not in terms of # of billionaires per population)
New York City is the headquarters of some of the World's Largest Corporations
You?ll find an astounding collection of 329 billionaires throughout the United States. Some names are familiar to the general public while others are not. They include Lenore & Walter Annenberg, Warren Buffett, Bill Gates, Steve Jobs, Abigail Johnson, Peter Kellog, and many more. Makes you want to book a flight, stay in a Los Angeles hotel and hope that the billionaire vibe rubs off on you!
(2009 data)
http://marketnoise.blogspot.com/2010...lionaires.html