401k 2024 Max Contribution. 401 (k) contribution limits for 2024. 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.

Generally, your human resources or benefits department is a good place to start. In 2024, employees and employers can contribute a combined maximum of $69,000 (or $76,500 if the employee is age 50 or older).