What Is 2024 401k Catch Up Contribution Limit. 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 is $23,000.

For 2024, the limit for 401(k) plan contributions is $23,000, up from $22,500 last year, according to the irs. The 401(k) contribution limit for 2024 is $23,000.