Yahoo (Reuters): Super-rich population surges in 2006: survey. The number of U.S. households with a net worth of more than $5 million, excluding their primary residence, surged 23 percent to surpass one million for the first time in 2006, according to a survey released on Tuesday.
The survey (by Spectrem Group in Chicago) found that U.S. households that are merely wealthy, defined as having assets of more than $500,000 excluding primary residence, rose 9 percent to 15.3 million in 2006 from the year before.
Also PR Newswire:
U.S. Households Worth $5 Million or More Exceed 1 Million for First Time Ever