2025 Social Security Tax Limit Cap Increase. The social security tax limit will rise to $176,100 in 2025. Nearly everyone pays taxes on their income to support social security, and that isn’t changing in 2025.

Notify employees whose earnings exceed the current 2024 cap of $168,600 of the increase and how it may impact their net take home pay during 2025. The tax limit is indexed to inflation and is therefore estimated to rise in 2026.