25-Feb-09 http://www.taxpolicycenter.org PRELIMINARY RESULTS Table T09-0121 1 Distribution of Tax Units with Small Business Income, by Cash Income Percentile, 2009 All Tax Units Cash Income Percentile Lowest Quintile Second Quintile Middle Quintile Fourth Quintile Top Quintile All Number (thousands) Percent of Total Tax Units with Small Business Income2 Number Percent of Total (thousands) Percent of Tax Units with Small Business Income 3 Greater than 0 Greater than 10% of AGI Greater than Greater than 25% of AGI 50% of AGI Small Business Income as Percent of AGI 3 39,087 32,954 30,077 25,155 22,284 150,241 26.0 21.9 20.0 16.7 14.8 100.0 5,400 5,357 6,115 7,345 9,895 34,736 15.5 15.4 17.6 21.1 28.5 100.0 13.8 16.3 20.3 29.2 44.4 23.1 12.5 12.8 13.2 15.0 22.6 15.0 11.4 10.3 9.0 9.0 15.1 11.2 10.1 7.9 5.8 4.9 9.7 8.2 17.5 9.6 7.2 7.0 19.1 14.8 11,263 5,437 4,454 1,016 114 7.5 3.6 3.0 0.7 0.1 4,055 2,394 2,575 771 101 11.7 6.9 7.4 2.2 0.3 36.0 44.0 57.8 75.8 88.3 16.9 20.7 33.1 46.0 48.8 10.1 13.6 24.4 35.7 37.5 5.8 8.4 16.7 26.3 27.6 8.2 11.0 21.3 31.5 28.0 Addendum 80-90 90-95 95-99 Top 1 Percent Top 0.1 Percent Source: Urban-Brookings Tax Policy Center Microsimulation Model (version 0308-7). (1) Calendar year. Tax units that are dependents of other tax units are excluded from the analysis. Tax units with negative cash income are not included in the lowest income category but are included in the totals. For percentile breaks for 2009 see: http://taxpolicycenter.org/numbers/displayatab.cfm?Docid=1842 (2) Includes all tax units reporting a net gain or loss on Schedules C, E, or F. (3) Small business income is defined as the sum of the absolute values of the gains or losses reported on Schedules C, E, and F.