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Change in the share of market income and post-tax, post-transfer income that households claim, by income group, 1979–2007

Source: Authors' analysis of Congressional Budget Office (2010 and 2010b)

Updated June 18, 2012

Documentation and methodology

Underlying data are from the Congressional Budget Office, Average Federal Taxes by Income Group, “Pre-Tax Income Shares All Households, by Household Income Category, 1979–2007,” “After-Tax Income Shares for All Households, by Household Income Category, 1979–2007,” and “Sources of Income for All Households, by Household Income Category, 1979 to 2007” [Excel spreadsheets] and unpublished health benefit data pertaining to this report. The shares of pre- and post-tax income are taken directly from the first two datasets cited here. The change in market income is then expressed as a share of the overall change in pretax income (transfers are essentially the only nonmarket income type that changes the pretax income shares).

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