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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

29 Results
Sources of personal income tax return data as of 2024 Tax Foundation

Sources of Personal Income, Tax Year 2021

Reviewing reported income helps to understand the composition of the federal government’s revenue base and how Americans earn their taxable income. The individual income tax, the federal government’s largest source of revenue, is largely a tax on labor.

9 min read