Data changelog

Every change to the tax tables or formulas, newest first.

September 26, 2026

• Launch with tax year 2026 tables: federal brackets and standard deduction from IRS Rev. Proc. 2025-32, the overtime deduction from Public Law 119-21, the $184,500 Social Security wage base, and income tax and payroll contribution rules for all 50 states and DC.
• State figures not yet published for 2026 are marked as projected on the sources page: see each state's note.