Individual

Number and dollar amount of EITC, by number of qualifying children and income.

Number of families and dollar amount of total and average dependent care credits from 1976 to 2017.

Parameters for child tax credit and child and dependent care tax credit.

Income tax as a percent of adjusted gross income, by size of adjusted gross income and type of return.

Tax rate, taxable income, and tax classified by marital status.

Sources of income and tax items in current and constant dollars from 1913 to 2017.

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

Number of households, average pretax and after-tax income, shares of pretax and after-tax income, and income category minimums for nonelderly childless households, by household income category,1979-2016.

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

Historical itemized charitable contributions as total amount (constant dollars), percent of AGI, and percent of GDP, 1917-2016.

Sources of income, adjustments, and itemized deductions for returns with itemized deductions, by size of adjusted gross income.

Sources of income, adjustments, and itemized deductions for returns with itemized deductions, by marital status.

Number of returns with IRA deductions and dollar amount of total and average deductions from 1980 to 2017.

Number of filers and amount claimed for those deducting state and local taxes, by state.

Salary, wage, and unemployment insurance income, by AGI.

IRA distribution, pension and annuity income, and Social Security benefits, by AGI.

Non-capital assets, estate and trust, and farm income, by AGI.

Personal exemptions for single and married filers and their dependents and tax rates and bases for highest and lowest tax brackets.