2024 401k Contribution Limits 2024 Over 55. People 50 and older can contribute $30,500. In 2024, the 401 (k) contribution limit for participants is increasing to $23,000, up from $22,500 in 2023.

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. The 401 (k) contribution limit for 2024 is $23,000.