05/31/2009 05:12 am ET Updated May 25, 2011

45 Percent Of Millionaires Worried About Money: Study

In the survey, conducted by Harris Interactive, participants were probed about one of those primal fears that affect anyone thinking about retirement--the possibility that your money won't last as long as you do. Specifically, they were asked whether they agreed with the statement, "I am very concerned about outliving my money in retirement."

The response was surprising. Forty-five percent of these millionaires said yes: They either "agreed" or "agreed strongly" with that idea.

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