Adjusted gross income, exemptions, deductions, and tax items.

Marginal tax rate and each rate at which the tax is computed.

Number of households, average pretax and after-tax income, shares of pretax and after-tax income, and income category minimums for households with children, by household income category, 1979 to 2016

Shares of federal tax liabilities for nonelderly childless households, by comprehensive household income quintile, 1979 to 2016.

Average federal tax rates for households with children, by comprehensive household income quintile, 1979 to 2016.

Income limits and mean income for each quintile of household income.

Historical percentage of individual income tax returns, classified by the highest applicable statutory marginal rate, 1958-2016.

Historical itemized charitable contributions (nominal amounts) and adjusted gross income, 1917-2016.

1913 - 2018 historical highest marginal personal income tax rates