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Income shares by quintile, United States, 1979 to 2013

Percentage share of income or consumption is the share that accrues to subgroups of population by quintiles. For example, in a country with 100 people, if you rank
them by income the share of the lowest quintile corresponds to the sum of incomes of the bottom 20 people, as a proportion of total income in that country.

19792013198519901995200020052010Income shareheld by fourth20%Income shareheld by third 20%Income shareheld by second20%Income shareheld by lowest20%Income shareheld by highest20%