2024 Max 401k Contribution Catch Up 2024. The contribution limit for a designated roth 401 (k) increased $500 to $23,000 for 2024. Workers who contribute to a 401 (k), 403 (b), most 457 plans and the federal government’s thrift savings plan can contribute up to $23,000 in 2024, a $500.

This means that your total 401 (k) contribution limit for 2024 is. This ensures that the limits remain meaningful as the cost of living.