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 Message Thank you! Oops! Related Content Rightsizing for Retirement What does your home really cost? How Can I Be a Confident Spender in Retirement? Imagine you’ve been invited to go paragliding. It’s your first time and you’ve bought a top-of-the-line paraglider. Retirement Plan Distributions There are a number of ways to withdraw money from a qualified retirement plan.