18 Years Worth of Days The average retirement lasts for 18 years. Are you prepared to fill that many days? Share | Related Content A Bucket Plan to Go with Your Bucket List A bucket plan can help you be better prepared for a comfortable retirement. Social Security: The $64,000 Question One of the most common questions people ask about Social Security is when they should start taking benefits. Retirement Plan Distributions There are a number of ways to withdraw money from a qualified retirement plan.