Share of U.S. adult population 1971-2015, by income tier

Percentage of U.S. adult population from 1971 to 2015, by income tier

by Statista Research Department, last edited Dec 9, 2015
Share of U.S. adult population 1971-2015, by income tier This statistic shows the percentage distribution of the U.S. adult population from 1971 to 2015, by income tier. In 2015, about 50 percent of U.S. adult residents were part of the middle class. This study defined middle class income households as those with an income between 67 and 200 percent of the U.S. median household income, after adjustment for household size. Middle class income ranges from about 42,000 U.S. dollars to about 126,000 U.S. dollars per year for a three-person household.
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Percentage of U.S. adult population from 1971 to 2015, by income tier

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