Siim Kallas Proved the Hard Work of Sound Tax Reform Pays Off
If America’s leaders today want to learn how to build a lasting system on the foundation of simplicity and neutrality, they should follow the Siim Kallas blueprint.
4 min read
If America’s leaders today want to learn how to build a lasting system on the foundation of simplicity and neutrality, they should follow the Siim Kallas blueprint.
4 min read
The Belgian proposal departs significantly from sound tax policy principles and risks generating substantial economic distortions, legal uncertainty, and trade frictions while raising relatively little revenue.
Federal government debt is over $32 trillion, around the size of the nation’s annual economic output (its gross domestic product, or GDP). Debt levels this high mean US borrowing costs are sensitive to interest rate changes that may otherwise seem small.
5 min read
California levies the highest tax on gasoline at 73.6 cents per gallon (cpg), followed by Illinois at 70.4 cpg and Indiana at 63.1 cpg.
10 min read
How we support savings in the US is too complex, and Trump Accounts worsen the problem. If lawmakers truly want to increase savings for taxpayers from day one, they should look to the UK and Canada, which have done it successfully for many years.
In 2025, the CTP reduced the backlog of premarket tobacco product applications (PMTAs) by about 70 percent. This year, the CTP is already accelerating PMTA reviews further and allowing some leeway for products under review but not yet officially authorized. This is great progress, but much more can be made.
7 min read
2026 Tax Brackets
Facts & Figures 2026: How Does Your State Compare?
Summary of the Latest Federal Income Tax Data, Tax Year 2023
State Individual Income Tax Rates and Brackets, 2026
State and Local Sales Tax Rates, 2026
Corporate Tax Rates Around the World, 2025
Top Personal Income Tax Rates in Europe, 2026
The Tax Foundation is the world’s leading nonpartisan tax policy 501(c)(3) nonprofit. For over 80 years, our mission has remained the same: to improve lives through tax policies that lead to greater economic growth and opportunity.
Our vision is a world where the tax code doesn’t stand in the way of success. Every day, our team of trusted experts strives towards that vision by remaining principled, insightful, and engaged and by advancing the principles of sound tax policy: simplicity, neutrality, transparency, and stability.


TaxEDU is designed to advance tax policy education, discussion, and understanding in classrooms, living rooms, and government chambers. It combines the best aspects of cutting-edge and traditional education to elevate the debate, enable deeper understanding, and achieve principled policy.
TaxEDU gives teachers the tools to make students better citizens, taxpayers a vocabulary to see through the rhetoric, lawmakers crash courses to write smarter laws, and videos and podcasts for anyone who wants to boost their tax knowledge on the go.
Understand the terms of the debate with our comprehensive glossary, including over 100 tax terms and concepts.
Our animated explainer videos are designed for the classroom, social media, and anyone looking to boost their tax knowledge on the go.
Our primers are classroom-ready resources for understanding key concepts in tax policy.
Dive deeper into specific tax topics with lesson modules designed as a classroom-ready resource or for anyone looking to boost their tax knowledge.
Learn about the principles of sound tax policy—simplicity, transparency, neutrality, and stability—which should serve as touchstones for policymakers and taxpayers everywhere.
Our Tax Foundation University and State Tax Policy Boot Camp lecture series are designed to educate tomorrow's leaders on the principles of sound tax policy.
Commentary
See All CommentaryTestimony: Legislative Proposal to Adapt the Income Tax Code to the Digital Economy Repeats the Economic and Legal Mistakes of Digital Services Taxes
The Belgian proposal departs significantly from sound tax policy principles and risks generating substantial economic distortions, legal uncertainty, and trade frictions while raising relatively little revenue.
Will Trump Accounts Make Saving Easier?
How we support savings in the US is too complex, and Trump Accounts worsen the problem. If lawmakers truly want to increase savings for taxpayers from day one, they should look to the UK and Canada, which have done it successfully for many years.
Why Wealth Taxes Always Fail
Though they are often framed as affecting only the richest households, the economic effects of wealth taxes extend much further by reducing capital formation, discouraging entrepreneurship, curtailing wage and employment growth, and ultimately weakening the overall economy.
Why Billionaires Are Still Leaving California
The California Billionaire Tax Act’s residency provisions are exceptionally vulnerable to legal challenge. Even if the tax passes and survives challenges to its broader constitutionality, billionaires who leave California sometime in 2026 have good reason to believe they can escape some or all of the tax.
If Amendment 5 Passes, Lawmakers Need a Zephyr, not a Gale, to Sail Missouri to Tax Competitiveness
If voters approve Amendment 5 on the primary election ballot this August, Missouri policymakers must pass legislation to gradually phase out the state’s income tax while choosing how to pay for this goal.
A Taxing Approach to High Energy Costs Will Backfire
If you want more energy production, taxing producers is the wrong place to start. And if you want to tax companies more if they’re making big profits, the corporate income tax already does that.
Illinois’ Alcohol Tax Is Almost As Old as America. It Needs Reform.
USMCA Is Up For Review. The US Would Be Foolish Not to Extend It
Testimony: Are Digital Services Taxes a Viable Solution for the EU Budget?
Floridians Should Think Twice Before Embracing Property Tax Elimination
What Europe’s UN Tax Turn Means for Multinationals
Will the AI Apocalypse Come for the Tax Code?