18 Years Worth of Days The average retirement lasts for 18 years. Are you prepared to fill that many days? Share | Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Contents Rightsizing for Retirement What does your home really cost? Social Security: The Elephant in the Room Some people wonder if Social Security will remain financially sound enough to pay the benefits they are owed. Investment Strategies for Retirement Investment tools and strategies that can enable you to pursue your retirement goals.