After Tax 401k Contribution Limit 2024. In 2024, the 401 (k) contribution limit for participants is increasing to $23,000, up from. Find out the irs limit on how much you and your employer can contribute to your 401(k) retirement savings account in 2023 and 2024.

For 2024, the 401 (k) limit for employee salary deferrals is $23,000, which is above the 2023 401 (k) limit of $22,500. The 401 (k) contribution limit for 2024 is $23,000.