What Is The Medicare Tax Rate For 2025. Irmaa tiers and marginal tax rates are based on your magi, which includes all types of income, including investment income. In 2025, medicare will undergo some of the most significant changes in a generation.
The centers for medicare and medicaid (cms) has released the changes to medicare premiums, deductibles, and income adjustments for 2025. The medicare tax rate will remain at 1.45% for both employers and employees, with no wage base limit.