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High-Income Taxpayers, Progressivity, and Inequality

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2025 Kansas Tax Cuts including Kansas flat income tax reform and 2025 Kansas tax reform and relief

Kansans May Finally Get a Low, Flat Income Tax

If adopted, these reforms would make Kansas’ tax code substantially more competitive while returning revenue growth to taxpayers in a fiscally responsible manner.

4 min read
Net wealth taxes in europe, 2025 wealth taxes including France wealth tax and Spain wealth tax

Wealth Taxes in Europe, 2025

Wealth taxes not only collect little revenue and create legal uncertainty, but an OECD report argues that they can also disincentivize entrepreneurship, harming innovation and long-term growth.

5 min read
Taxes and the French Revolution

Taxes and the French Revolution

The French Revolution provides insight into the relationship between a government and its citizens and serves as a reminder that tax policy can have impacts (big and small) that last for centuries.

state flat tax trend and state flat income taxes 2024

The State Flat Tax Revolution: Where Things Stand Today

From 2021-2024, within the span of 3.5 years, more states enacted laws converting graduated-rate individual income tax structures into single-rate income tax structures than did so in the whole 108-year history of state income taxation up until that point.

10 min read
2025 State tax changes taking effect January 1

State Tax Changes Taking Effect January 1, 2025

Thirty-nine states will begin 2025 with notable tax changes, including nine states cutting individual income taxes. Recent years have seen a wave of significant tax reforms, and the changes scheduled for 2025 show that these efforts have not let up.

25 min read
Summary of the Latest Federal Income Tax Data, 2025 Update

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 State Tax Competitiveness Index

2025 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.

115 min read