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Read the IRS inflation adjustments that set 2025 bracket thresholds

Revenue Procedure 2024-40 is the authoritative IRS document that sets inflation-adjusted tax parameters for 2025, including bracket thresholds, standard deduction amounts, and other key values.

Source: Internal Revenue Service (IRS)pdfApplies to: 2025
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Income Tax Brackets

The U.S. federal income tax uses seven progressive brackets with rates from 10% to 37%. Each bracket rate only applies to the income within that range — not to your entire income.

Last reviewed: 2026-11-01 • Federal / General