Federal income tax brackets by year
Per-year, per-filing-status bracket thresholds, compiled directly from IRS Revenue Procedures. Trace how each bracket moved with IRS chained-CPI inflation adjustments.
Data Products
Download the compiled IRS ordinary-income bracket table: federal-tax-statistics.csv (same extract as /statistics; CC0 / U.S. government source figures).
Views of US federal and state tax data, compiled from IRS Revenue Procedures, IRS Statistics of Income, and state DOR data on each update – never hand-written.
What can you learn from PlainTaxData research?
What this research covers
PlainTaxData research compiles federal income-tax brackets and deductions across 7 tax years and 4 filing statuses (196 published bracket rows), answering one parameter or ranking question per data product from the live IRS/state mirror.
- 7
- tax years compiled
- 4
- filing statuses
- 196
- bracket rows published
- 4
- data products on this hub
Products below answer one bracket, deduction, or state-burden question each from IRS Revenue Procedures and state DOR tables; they are descriptive tax parameters, not filing advice.
State income tax data
Per-state income tax brackets, top marginal rates, no-tax states, standard deductions, and personal exemptions – drawn directly from state DOR sources.
Standard deduction year-by-year
Single, MFJ, HoH, MFS standard deduction amounts by year, with senior + blind add-ons, compiled from IRS Revenue Procedures.
Federal income tax calculator
Free, no-signup tool that computes federal income tax owed, marginal rate, effective rate, and after-tax income for any salary and filing status.