09/07/2011 09:59 am ET Updated Nov 07, 2011

Many In U.S. Slip From Middle Class, Study Finds

Nearly one in three Americans who grew up middle-class has slipped down the income ladder as an adult, according to a new report by the Pew Charitable Trusts.

Downward mobility is most common among middle-class people who are divorced or separated from their spouses, did not attend college, scored poorly on standardized tests, or used hard drugs, the report says.

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