Estimated 401k Limits For 2024. This limit includes all elective employee salary deferrals and any contributions. Workers who contribute to a 401 (k), 403 (b), most 457 plans and the federal government’s thrift savings plan can contribute up to $23,000 in 2024, a $500 increase.

See the limits for traditional 401(k)s, roth 401(k)s, employer contributions, and profit sharing. For 2024, the 401(k) annual contribution limit is $23,000, up from $22,500 in 2023.