Social Security 2025 Max Withholding Rate. The social security tax limit will increase by about 4.4% in 2025. For 2025, $1 in benefits will be withheld for every $2 in earnings above $23,400 (increase from $22,320 in 2024).

For 2025, the sdi withholding rate for employees is 1.2 percent, compared with 1.1 percent in 2024. 42 rows see how we use earnings to compute a retirement benefit amount.