Investment Strategies for Retirement The slideshow presentation that you would like to view is too large for your current screen resolution. Click here to view to view the slideshow at full resolution. Launch Presentation » Share | Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Content 18 Years’ Worth of Days The average retirement lasts for 18 years, with many lasting even longer. Will you fill your post-retirement days with purpose? The Pre-Retirement Checklist This checklist can give you a quick snapshot of how prepared you are. My Retirement Savings Estimate how long your retirement savings may last using various monthly cash flow rates.