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 Message Thank you! Oops! Related Content Strategies For Managing Student Loan Debt Five strategies for managing your student debt. Should You Invest in Exchange Traded Funds? There are hundreds of ETFs available. Should you invest in them? Making Sense Of A Home Warranty Understanding the value of a home warranty.