Chart Detail

Share of average income growth accounted for by the top 5 percent and top 1 percent, by dataset and income concept, 1979–2007

* As described in Chapter 2, this bar uses Burkhauser's income concepts for CBO income data because CBO income data are not top-coded.

Source: Authors' analysis of Piketty and Saez (2012, Table A-6), Congressional Budget Office (2010), Burkhauser (2011, Table 4)

Updated August 22, 2012

Documentation and methodology

Underlying data are from Piketty and Saez (2012, Table A-6); Congressional Budget Office, Average Federal Taxes by Income Group, “Sources of Income for All Households, by Household Income Category, 1979 to 2007” [Excel spreadsheet]; and Burkhauser, Larrimore, and Simon (2011), Table 4, “Quintile Income Growth by Business Cycle Using Each Income Series.” Each income concept’s contribution to overall income growth is calculated by multiplying the change in its average income from 1979 to 2007 by its share of the distribution (where, for example, the share of the distribution for the top 1 percent is .01,) and dividing the result by the change in overall average income growth over the same time period.

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