2024 401k Max Contribution Amount For Over. 401(k) contribution limits 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. For 2024, the maximum allowable contribution to a 401(k) is $23,000 per year (up from $22,500 in 2023).
Employer matches don’t count toward this limit and can be quite generous. You can contribute to more than one 401(k) plan.