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? Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content 4 Steps to Protecting a Child with Disabilities Planning for a child with special needs can be complicated, confusing, and even overwhelming. Your Changing Definition of Risk in Retirement A change in your mindset during retirement may drive changes to your portfolio. The Cost of Procrastination Don't let procrastination keep you from pursuing your financial dreams and goals.