AAII 2025–2026 Tax Guide: What's New for 2025–2026 Taxes
Learn how your taxes are affected by changes due to the OBBBA and the IRS inflation adjustments for 2026.
Overview of major OBBBA tax changes, including new deductions, credits, and limits for 2025 and 2026 and their impact on brackets and inflation adjustments
Explanation of redesigned online tax guide layout for easier navigation across nine articles and access to full downloadable PDF
Key updates affecting taxpayers, including senior deductions, SALT deduction cap changes, AMT rules, charitable limits, and retirement and education provisions
This year’s tax guide includes two changes. The most important is the passage of the One Big Beautiful Bill Act (OBBBA) in July 2025. The act created new tax-saving opportunities while also extending many provisions included in the Tax Cuts and Jobs Act (TCJA) of 2017. We list the new OBBBA deductions, credits and limits for both 2025 and 2026.