Traditional

If you participate in a company 401(k) plan, you already know that you can make pre-tax contributions up to the annual elective deferral limit to a traditional, tax-deferred account. If your 401(k) plan offers a Roth option, you can use part or all of your limit to make after-tax contributions to a Roth account instead. But you may have a third option, if your 401(k) plan allows it: Make after-tax contributions to a traditional account. Traditional vs. Roth deferrals For 2026, 401(k) elective