WASHINGTON -- Survey results provided to The Associated Press find that 21 percent of U.S. adults become rich for parts of their lives, earning a household income of $250,000 or more at some point.

The group is made up largely of older professionals, working married couples and more educated singles. Even outside periods of unusual wealth, members of this group generally hover in the $100,000-plus income range, keeping them in the top 20 percent of earners.

Washington University in St. Louis professor Mark Rank says these people see affluence as "very attainable, even if the dream has become more elusive for everyone else."

They are liberal on issues such as abortion and gay marriage, but they're wary of any government role in closing the income gap.

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