401k 2024 Limits Irs. Contribution limits for 401(k)s, 403(b)s, most 457 plans, thrift savings plans (tsps), and other qualified retirement plans rise were $23,000 for 2024, rising from $22,500 for 2023. This limit will likely be adjusted higher.

401 (k) pretax limit increases to $23,000. The dollar limitations for retirement plans and certain other dollar limitations.