401k Contribution Limits 2024 Company Match Plan.  — employers must make a matching contribution of a maximum of 3% of a worker's salary or a nonelective contribution worth 2% of each participating employee's wages. If your plan provides for matching contributions, you must follow the plan’s match formula.

 — in 2024, the contribution limit for a roth 401 (k) is $23,000, plus an additional contribution of $7,500 if you are age 50 or older. This limit includes all elective employee salary deferrals and any contributions made to a designated roth.