Maximum 401k And Roth Contribution 2024. Max roth 401k contribution 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.

Here’s what you need to know about that maximum, employer matches and how much you should contribute. You can contribute to more than one.