401k Contribution Limits 2024 Over 50 Years. 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 from the $22,500 limit in 2023. The 401(k) contribution limit for 2024 is $23,000.

If you’re age 50 and older, you can add an extra. The overall 401 (k) limits for employee and employer.