18 Years Worth of Days The average retirement lasts for 18 years. Are you prepared to fill that many days? Share | Related Content A Fruitful Retirement: Social Security Benefit Taking your Social Security benefits at the right time may help maximize your benefit. Choosing a Retirement Plan that Fits Your Business To choose a plan, it’s important to ask yourself four key questions. Retirement Plan Distributions There are a number of ways to withdraw money from a qualified retirement plan.