Perception vs. Reality There’s an alarming difference between perception and reality for current and future retirees. Share | Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Contents 18 Years Worth of Days The average retirement lasts for 18 years. Are you prepared to fill that many days? The Pre-Retirement Checklist This checklist can give you a quick snapshot of how prepared you are. Roth 401(k) vs. Traditional 401(k) This calculator compares employee contributions to a Roth 401(k) and a traditional 401(k).