2024 401k Limits And Catch Up Limits. The internal revenue service (irs) raised the annual contribution limits for 2024 to $23,000, which amounts to a cost of living adjustment and is an increase from. For 2024, the contribution limits for 401 (k) plans have been increased.

That compares with the $500 boost seen in 2024 over 2023. See the limits for traditional 401(k)s, roth 401(k)s, employer contributions, and profit sharing.