Average and marginal federal income tax rates for two-parent families of four at the same relative positions in the income distribution, from 1955 to 2014.
Amount of income, income taxes paid, and payroll taxes paid (in dollars and as a share of wages) by married couples at the poverty threshold, 1970 to 2011.
Chart with dollar amount value of child tax benefits (dependent exemption, Head of Household filing status, child tax credit, earned income tax credit, and Making Work Pay credit, by amount of earnings, 2010.
number of returns, shares of AGI and total income tax, AGI floor on percentiles, and average tax rates, by selected descending cumulative income percentiles and by state.