2024 Irs 401k Limit. The roth 401(k) contribution limit for 2024 is $23,000 for employee contributions and $69,000 total for both employee and employer contributions. This limit includes all elective employee salary deferrals and any contributions made to a designated roth.

In 2024, employers and employees together can contribute. Of note, the 2024 pretax limit that applies to elective deferrals to irc section 401 (k), 403 (b) and 457 (b) plans increased from $22,500 to $23,000.