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? Share | Related Content Encore Careers: Push Your Boundaries Ready for retirement? Find out why many are considering encore careers and push your boundaries into something more, here. Your Changing Definition of Risk in Retirement A change in your mindset during retirement may drive changes to your portfolio. Investment Strategies for Retirement Investment tools and strategies that can enable you to pursue your retirement goals.