18 Years Worth of Days The average retirement lasts for 18 years. Are you prepared to fill that many days? Share | Related Content Don't Buy The Hype There are a lot of misconceptions about Social Security. Here’s the truth about three of them. The Pre-Retirement Checklist This checklist can give you a quick snapshot of how prepared you are. Self-Employed Retirement Plans Estimate the maximum contribution amount for a Self-Employed 401(k), SIMPLE IRA, or SEP.