401k Contribution Limits 2024 50 And Older. For 2025, employees can now contribute up to $23,500 to a 401(k) or 403(b) plan if they’re under 50, up from $23,000 in 2024. Maximum total contribution for employees 50 and older.

The 2024 contribution limit for 401(k) plans is $23,000, or $30,500 for those 50 and older. Employees age 50 and older are subject to a higher contribution limit with either type of contribution.