2024 Max 401k Contribution Limits 2024.  — retirement savers are eligible to put $500 more in a 401(k) plan in 2024: If you’re just getting started with your 401(k), understanding 401(k) contribution limits for 2024 is important.

Employees can contribute up to $22,500, up from $22,000 in 2023. Total contributions to a solo 401 (k) cannot exceed $69,000 or $76,500 for those at least aged 50.