Trillionaire
A billionaire, in countries that use the short scale number naming system, is a person with a net worth of at least one billion (1,000,000,000) units of a given currency, usually major currencies such...
Forbes list of billionaires (2011)
The World's Billionaires 2011 edition was 25th annual ranking of The World's Billionaires by Forbes magazine. The list estimated the net worth of the world's richest people, excluding royalty and dic...
Forbes list of billionaires (2011) - Wikipedia