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? 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? Eight Mistakes That Can Upend Your Retirement There are common mistakes you can avoid when saving for retirement. Estimate Your RMD Help determine the required minimum distribution from an IRA or other qualified retirement plan.