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 Should You Ever Retire? A growing number of Americans are pushing back the age at which they plan to retire. Or deciding not to retire at all. Should You Borrow from Your 401(k)? Does it make sense to borrow from my 401(k) to pay off debt or to make a major purchase? My Retirement Savings Estimate how long your retirement savings may last using various monthly cash flow rates.