2024 Irs 401 K Contribution Limits. Your contributions also can’t exceed 100% of your total salary. The irs limits how much employees and employers can contribute to a 401 (k) each year.

The contribution limit for 401 (k)s, 403 (b)s, most 457 plans and the federal government’s thrift savings plan is $23,000 for 2024, up from $22,500 in 2023. Starting in 2024, employees can contribute up to $23,000 into their 401(k), 403(b), most 457 plans or the thrift savings plan for federal employees, the irs.