Additional Medicare Tax Rate 2024 Olympics. — the 2024 medicare tax rate remains at 1.45% for both employees and employers totaling 2.9%, as it was in 2023. Tax rates (old & new regime):
— additional medicare tax is an extra percentage applied to wages earned above a certain amount (which varies by filing status). — the 2024 medicare tax rate remains at 1.45% for both employees and employers totaling 2.9%, as it was in 2023.