Social Security Tax Limit 2024 Rate. A single senior age 75 and up would receive a maximum old age security and the guaranteed income. The nonpartisan committee for a responsible federal budget has estimated that the bill would increase the deficit by $196 billion and increase the rate at which the social security.

The employer and employee tax rates will remain the same in 2025. Employers and employees evenly split the typical total fica tax rate of 15.3%.