What Is the #1 Concern About Retirement? "Will I outlive my money?" is the most common question we hear from retirement-minded investors. Share | Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Contents Social Security: By the Numbers Here are five facts about Social Security that might surprise you. Social Security Benefits: How Much Will I Receive Calculating your potential Social Security benefit is a three-step process. Roth 401(k) vs. Traditional 401(k) This calculator compares employee contributions to a Roth 401(k) and a traditional 401(k).