2024 401k Contribution. The limit for employee contributions to a 401 (k) in 2024 is $23,000 for those under 50. The irs has announced the 2024 contribution limits for retirement savings accounts, including contribution limits for 401(k), 403(b), and 457(b) plans, as well as income limits.

The roth 401 (k) contribution limit for 2024 is $23,000 for employee contributions and $69,000 total for both employee and employer contributions. The contribution limit for 401 (k), 403 (b), thrift savings plans and most 457 plans will be $23,000 in 2024, rising from $22,500 in 2023.