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Federal Tax Data

Providing journalists, taxpayers, and policymakers with the latest data on taxes and spending is a cornerstone of the Tax Foundation’s educational mission.

As a nonpartisan, educational organization, the Tax Foundation has earned a reputation for independence and credibility. Our federal tax policy team regularly provides accessible, data-driven insights from sources such as the Internal Revenue Service (IRS), the Organisation for Economic Co-Operation and Development (OECD), Congressional Budget Office (CBO), the Joint Committee on Taxation (JCT), and others. For more insights on the latest federal tax policies, explore the Tax Foundation’s general equilibrium Taxes & Growth (TAG) Model

All Federal Tax Data

335 Results
Who Benefits from Itemized Deductions? High income taxpayers tax breaks

Who Benefits from Itemized Deductions?

While some tax preferences like the earned income tax credit (EITC) and child tax credit benefit lower- and middle-income households, others, like itemized deductions, benefit high-income households.

4 min read
marginal tax rates, taxes on the rich. top 1 percent tax rates, effective tax rate

The Top 1 Percent’s Tax Rates Over Time

In the 1950s, when the top marginal income tax rate reached 92 percent, the top 1 percent of taxpayers paid an effective rate of only 16.9 percent. As top marginal rates have fallen, the tax burden on the rich has risen.

4 min read
Income and payroll taxes make up a growing share of federal revenue, income tax, payroll tax, corporate tax, tax revenue, federal revenue

The Composition of Federal Revenue Has Changed Over Time

The federal income tax and federal payroll tax make up a growing share of federal revenue. Individual income taxes have become a central pillar of the federal revenue system, now comprising nearly half of all revenue.

2 min read