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 Preparing For the Ultimate Vacation Make your retirement as exciting as your next vacation. Social Security: Five Facts You Need to Know Here are five facts about Social Security that are important to keep in mind. Investment Strategies for Retirement Investment tools and strategies that can enable you to pursue your retirement goals.