18 Years Worth of Days Test Your Investment Knowledge! How much do you know about investing? Take our quiz and find out instantly. 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 | Have A Question About This Topic? Address Thank you! Oops! Related Contents Ready for Retirement? Are you ready for retirement? Here are five words you should consider. The Cost of Procrastination Don't let procrastination keep you from pursuing your financial dreams and goals. Retirement Plan Distributions There are a number of ways to withdraw money from a qualified retirement plan.