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, 2024 Update
Different taxes have different economic effects, so policymakers should always consider how tax revenue is raised and not just how much is raised.
3 min readAll Federal Tax Data
339 Results
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
2025 Tax Brackets
Explore the IRS inflation-adjusted 2025 tax brackets, for which taxpayers will file tax returns in early 2026.
4 min read
Federal Fiscal System Is Very Progressive—and Getting More So—Latest CBO Report Shows (2024 Update)
CBO data shows that the federal fiscal system—both taxes and direct federal benefits—is getting more progressive and redistributive in 2024.
7 min read
American Retirement and Tax-Preferred Savings Accounts, Tax Year 2018
To encourage greater saving, the US federal income tax provides tax-neutral treatment to some types of saving through a variety of accounts. The type of tax treatment, contribution limits, withdrawal rules, and use cases for contributions all vary by account, leading to a complicated system for households to navigate.
11 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
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