2024 401k Catch Up Contribution Limit. If you have been working for the employer for 15 years and the plan allows it, your “elective. 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 government’s thrift savings. Employees can invest more money into 401 (k) plans in 2024, with contribution limits increasing from 2023’s $22,500 to $23,000 for 2024.