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 Protecting Your Home Against Flood Loss Protect yourself against the damage that your homeowners policy doesn’t cover. The Rule of 72 Do you know how long it may take for your investments to double in value? The Rule of 72 is a quick way to figure it out. Personal Finance Tips for Military Families Military families face unique challenges, making personal finance even more critical.