Medicare Tax Limits 2025. $200,000 for single filers, $250,000 for married couples filing jointly, and $125,000 for married individuals filing. In the 2023 annual report, the trustees of medicare projected that irmaa will affect around 8.3 million retirees in 2025, marking an increase of over 10% from 2023.

An additional medicare tax of 0.9% will apply to wages over $200,000 for employees, although employers are not. $200,000 for single filers, $250,000 for married couples filing jointly, and $125,000 for married individuals filing.