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Tax Foundation
Tax Foundation Research

Tax Policy Research

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Research Areas

In each of its main research areas, the Tax Foundation produces timely and high-quality data, research, and analysis that influence the tax debate toward policies that are simple, transparent, neutral, and stable.

 

Center for Global Tax Policy

The Center for Global Tax Policy promotes tax and fiscal policy that leads to higher economic growth and improved quality of life throughout the world. We produce the annualInternational Tax Competitiveness Index and several other comparative reports that allow taxpayers, journalists, and policymakers to compare their tax policies with those in other countries.

See All Global Research

Meet Our Experts

Our experts are continuouslyanalyzing the day’s most relevant tax policy topics and are relied upon routinely for presentations, testimony, and media appearances on tax issues spanning every level of government. Learn more about our experts below and meet our full team,here.

Meet Our Experts

Featured Projects

Big Beautiful Bill Tax Plan and Senate GOP Tax Plan: Details & Analysis of 2025 Trump Tax Cuts

One Big Beautiful Bill Act Tax Policies: Details and Analysis

Our analysis of the major tax provisions included in the OBBBA finds it will increase long-run GDP by 0.7 percent. The major tax provisions will reduce federal tax revenue by nearly $5.2 trillion between 2025 and 2034, on a conventional basis.

12 min read
2025 Trump Tariffs Impact: Tracking the Economic Impact of the Trump Trade War

Trump Tariffs: Tracking the Economic Impact of the Trump Trade War

The Trump tariffs are the largest US tax increase as a percent of GDP since 1993 and amount to an average tax increase per US household of $1,500 in 2026.

48 min read
2026 State Tax Competitiveness Index 2026 State Tax Rankings

2026 State Tax Competitiveness Index

The State Tax Competitiveness Index enables policymakers, taxpayers, and business leaders to gauge how their states’ tax systems compare. While there are many ways to show how much state governments collect in taxes, the Index evaluates how well states structure their tax systems and provides a road map for improvement.

122 min read
International Tax Competitiveness Index 2025 Global Tax Rankings by Country

International Tax Competitiveness Index 2025

While there are many factors that affect a country’s economic performance, taxes play an important role. A well-structured tax code is easy for taxpayers to comply with and can promote economic development while raising sufficient revenue for a government’s priorities.

93 min read
2026 Tax Calculator: How the One Big Beautiful Bill Act Tax Changes Will Affect You

2026 Tax Calculator: How the One Big Beautiful Bill Act’s Tax Changes Will Affect You

How will recent federal tax changes affect you?

4 min read
2024 European Tax Policy Scorecard
Europe

2024 European Tax Policy Scorecard

The variety of approaches to taxation among European countries creates a need to evaluate these systems relative to each other. For that purpose, we have developed the European Tax Policy Scorecard—a relative comparison of European countries’ tax systems.

55 min read

Featured Issues

Explore the IRET Archives

The Institute for Research on the Economics of Taxation (IRET) was a leader in offering guidance to policymakers regarding fundamental tax reform and pioneered the dynamic modeling of the economic and budgetary effects of tax policy changes. The Tax Foundation has preserved IRET’s extensive body of work in a searchable database.

Explore the iret archives


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