2024 Contribution Limits 401k And Roth. 401 (k) contribution limits for 2024. The contribution limit will increase from $22,500 in 2023 to $23,000.
The contribution limit for simple 401 (k)s is $16,000 (up to $19,500 if you’re 50 or older). 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 increase.