401k Contribution Limits 2024 Catch Up Total Cost. According to a statement issued by the irs, starting in 2024, employees can contribute up to $23,000 into their 401 (k), 403 (b), most 457 plans or the thrift savings plan for. The elective deferral (contribution) limit for employees who participate in a 401 (k) plan is $22,500 in 2023 ($23,000 in 2024).

The limit on employer and employee. Maximizing, for 2024, the maximum you can contribute from your paycheck to a 401 (k) is $23,000.