401k Contributions 2024 Over 50. Those 50 and older will be able to. For 2024, you can contribute up to $69,000 to your solo 401 (k), or $76,500 if you're 50 or older.
This means that your total 401(k) contribution limit for 2024 is. The roth 401(k) contribution limit for 2024 is $23,000 for employee contributions and $69,000 total for both employee and employer contributions.