2024 401k Limits Total. They can contribute up to. The contribution limit for employees who participate in 401k, 403b, and most 457 plans, as well as the federal government's thrift savings plan is increased to $23,000, up from $22,500.
Workers aged 50 and older can also put in an additional $7,500. The maximum employee contribution for 2024 is $23,000, with an additional $7,500 for those aged 50+.