401k Limit 2025 Employer Contribution Limits. Employees can contribute up to $23,500 to their 401 (k) plan for 2025 vs. If you contributed to multiple employer retirement savings plans in 2025, you are required to confirm if you have contributed over the annual irs limits.

Employee deferral limit to $23,500, from $23,000 in 2025,. The total solo 401(k) contribution limit (employee + employer contribution) is up to $69,000 in 2025.