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 Four Reasons Millennials Need an Estate Strategy Estate strategies for millennials may sound like less of a concern than retirement, but young adults should prepare now. SECURE Act 2.0: An Overview The second iteration of the SECURE Act brings forward several changes to the world of retirement. The Other Sure Thing Though we don't like to think about it, all of us will make an exit sometime. Are you prepared?