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 Content 18 Years’ Worth of Days The average retirement lasts for 18 years, with many lasting even longer. Will you fill your post-retirement days with purpose? Retirement Questions That Have Nothing to Do With Money Things to consider before retirement. Roth 401(k) vs. Traditional 401(k) This calculator compares employee contributions to a Roth 401(k) and a traditional 401(k).