Solo 401k Contribution Limits 2024 Irs. Your business can contribute up to 25% of your compensation. If you are 50 years old or older the maximum contribution limit went from $67,500 in 2022 to $73,500 in 2023.
With a solo 401 (k), depending on your salary and age, you can contribute $66,000 per year or $73,500 for those 50 or older in 2023. New solo 401(k) all additions limit.