Table : TABLE 11-4 Effects of Taxes and Transfers on Income Distribution, 2007
Quintiles Share of aggregate income
without taxes and transfers
Share of aggregate income
with taxes and transfers
Bottom quintile 2.5% 5.1%
Second quintile 7.3 9.2
Third quintile 12.2 14.0
Fourth quintile 19.0 19.9
81st–99th percentiles 38.6 35.6
Top 1 percent 21.3 17.1

Data from: Congressional Budget Office.