Retiring the 4% Rule A portfolio created with your long-term objectives in mind is crucial as you pursue your dream retirement. Share | Have A Question About This Topic? Address 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? 9 Facts About Retirement Regardless of how you approach retirement, there are some things about it that might surprise you. Retirement Plan Distributions There are a number of ways to withdraw money from a qualified retirement plan.