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? Related Content Assess Life Insurance Needs How to help determine life insurance needs to provide for your family after you pass away. What is the Value of Your Business? Ascertaining the value of your business is important for a variety of reasons. Inventorying Your Possessions Creating an inventory of your possessions can save you time, money and aggravation in the event you someday suffer losses.