Tax Calculator: How the TCJA’s Expiration Will Affect You
Unless Congress acts, Americans are in for a tax hike in 2026.
3 min read
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
Featured Data
Expiring TCJA Tax Provisions in 2026 Would Produce Substantial Tax Hike across the US
At the end of 2025, the individual tax provisions in the Tax Cuts and Jobs Act (TCJA) expire all at once. Without congressional action, most taxpayers will see a notable tax increase relative to current policy in 2026.
4 min read
2025 Tax Brackets
Explore the IRS inflation-adjusted 2025 tax brackets, for which taxpayers will file tax returns in early 2026.
4 min read
Summary of the Latest Federal Income Tax Data, 2025 Update
New IRS data shows the US federal income tax system continues to be progressive as high-income taxpayers pay the highest average income tax rates. Average tax rates for all income groups remain lower after the Tax Cuts and Jobs Act (TCJA).
6 min read
Historical U.S. Federal Individual Income Tax Rates & Brackets, 1862-2021
How do current federal individual income tax rates and brackets compare historically?
1 min read
Sources of US Tax Revenue by Tax Type, 2025
Different taxes have different economic effects, so policymakers should always consider how tax revenue is raised and not just how much is raised.
4 min readAll Federal Tax Data
28 Results
Sources of Personal Income, Tax Year 2019
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.
10 min read
The Impact of the Biden Administration’s Tax Proposals by State and Congressional District
The redistribution of income from the Biden administration’s tax proposals would involve many winners and losers, not only across different types of taxpayers but also geographically across the country. Launch our new interactive map to see average tax changes by state and congressional district over the budget window from 2022 to 2031.
8 min read
New Report Shows the Burdens of Payroll and Income Taxes
The tax burden for most Americans in 2019 –67.8 percent—will come primarily from payroll taxes, not income taxes. While the income tax is progressive, with average rates rising with income, the payroll tax is regressive, with the highest average rate falling on Americans with the lowest incomes.
4 min read
Tax Complexity Now Costs the US Economy Over $546 Billion Annually
Americans will spend more than 7.9 billion hours complying with IRS tax filing and reporting requirements in 2024. This is equal to 3.8 million full-time workers doing nothing but tax return paperwork—roughly equal to the population of Los Angeles.
7 min read
Congressional Budget Office Releases 2017 Data on Household Income and Tax Burdens
Contrary to the perceptions of some, new data indicate that (1) income earned after taxes and transfers has increased over the past several decades for all income groups; (2) the federal tax system is increasingly progressive; and (3) that system relies heavily on higher earners to raise revenue for government services and means-tested transfers.
3 min read