Not all states tax income the same. See how state income tax rates compare, how flat and progressive systems work and what higher rates mean financially.

The U.S. has a progressive income tax system -- which means that the more money you earn, the higher your marginal tax rate. The good news is that the tax brackets are changing for 2026 tax year, so ...

California has over $70B in unaccounted for federal tax dollars under Newsom. Hawaii has the highest state tax burden at 13.9% of income. New York ranks second at 13.6%. California leads the nation ...

Proposed Virginia tax hikes would put it on par with other high-marginal income tax states including California and New York, says a new Tax Foundation analysis.

The IRS has announced the annual inflation adjustments for the year 2025, including tax rate schedules, tax tables and ...

Most states require you to file a tax return. Here's what you need to know and why 2025 state taxes may be especially complex.