2024 401k Contribution 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. On nov., 1, 2023, the irs boosted annual contribution limits for 2024 for 401 (k), 403 (b), and most 457 plans.

In 2024, the contribution limit for a roth ira. The irs adjusts retirement plan contribution limits annually for inflation.