I più ricchi d'america da FORBES :

Rank	Name	Net Worth ($bil)	Age	Residence	Source
1	William Gates III	59.0	51	Medina, WA	Microsoft
2	Warren Buffett	52.0	77	Omaha, NE	Berkshire Hathaway
3	Sheldon Adelson	28.0	74	Las Vegas, NV	casinos, hotels
4	Lawrence Ellison	26.0	63	Redwood City, CA	Oracle
5	Sergey Brin	18.5	34	Palo Alto, CA	Google
5	Larry Page	18.5	34	San Francisco, CA	Google
7	Kirk Kerkorian	18.0	90	Los Angeles, CA	investments, casinos
8	Michael Dell	17.2	42	Austin, TX	Dell
9	Charles Koch	17.0	71	Wichita, KS	oil, commodities
9	David Koch	17.0	67	New York, NY	oil, commodities
11	Paul Allen	16.8	54	Mercer Island, WA	Microsoft, investments
12	Christy Walton & family	16.3	52	Jackson, WY	Wal-Mart inheritance
12	Jim Walton	16.3	59	Bentonville, AR	Wal-Mart
12	S Robson Walton	16.3	63	Bentonville, AR	Wal-Mart
15	Alice Walton	16.1	58	Fort Worth, TX	Wal-Mart
16	Steven Ballmer	15.2	51	Hunts Point, WA	Microsoft

... segue