New 401 K Contribution Limits 2024 Over 50.  — the roth 401 (k) contribution limit for 2024 is $23,000 for employee contributions and $69,000 total for both employee and employer contributions. That limit also applies to 457, 403 (b) and the federal.

 — 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. The annual employee contribution limit for 401 (k) retirement plans is increasing from $22,500 to $23,000 in 2024.