This document summarizes key U.S. tax rates and limits for 2017 including:
- Federal income tax rates for single, married joint, head of household, and married separate filers at various income levels.
- Standard deduction and personal exemption amounts that phase out at certain income levels.
- Contribution and income limits for retirement accounts like 401ks, IRAs, and HSAs.
- Medicare premium amounts and deductibles that vary based on income.
- Social security tax rates and limits on benefits subject to income tax.