18 Years Worth of Days Want to be Smarter With Your Money? Join our mailing list and get news and info to support your financial goals. First Name Last Name Email Address Thank you! Oops! The average retirement lasts for 18 years. Are you prepared to fill that many days? Share | Related Content Ready for Retirement? Are you ready for retirement? Here are five words you should consider. 9 Facts About Social Security There are things about Social Security that might surprise you. Retirement Plan Distributions There are a number of ways to withdraw money from a qualified retirement plan.