Solo 401k Contribution Limits 2024 Over 55. For 2024, the max is $69,000 and $76,500 if you are 50 years old or older. The total of all employee and employer contributions per employer will increase from $69,000 in 2024 to $70,000 in 2025 for.
For 2024, the hsa contribution limits are: Learn how your spouse can participate the solo 401k with you.