Solo 401k Contribution Limits 2024 Irs. The 401 (k) contribution limit for 2024 is $23,000 for employee contributions, and $69,000 for the combined employee and employer contributions. For 2023, the solo 401 (k) contribution limits are $66,000 or $73,500 if you are at.

For 2024, there’s a slight increase in the amount you can save in your 401 (k) plan. However, your contribution cannot exceed 25% of your net adjusted income.