In 2011, for example, the federal individual income tax averaged 11.5 percent of AGI but just 9.3 percent of total cash income, the much broader measure of income that TPC generally uses for its analyses.

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This would mean that the total income for these folks includes some real phat cash.

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The broadest measure total income counts everything you get in cash, regardless of source, including taxes your employer pays and you never see.

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