2024 401k Limits And Matching Bonus. Your contributions also can’t exceed 100% of your total salary.  — in 2024, the irs limits total 401(k) contributions to $69,000 or 100% of the employee’s compensation, whichever is less.

 — for 2024, employees can defer up to $23,000 into 401 (k) plans, up from $22,500 in 2023, with an extra $7,500 for workers age 50 and older. Employers can contribute to employee roth 401(k)s through matching.