Irs 401k Employer Contribution Limits 2024. The 401 (k) contribution limit is $23,000. The irs has announced the 2024 contribution limits for retirement savings accounts, including contribution limits for 401(k), 403(b), and 457(b).

Past year limits are also posted on the irs website in a historical table. This amount is an increase of $500 from the 2023 401 (k.