Retirement Redefined Around the country, attitudes about retirement are shifting. Share | 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? What's New for Social Security? There have been a number of changes to Social Security that may affect you, especially if you are nearing retirement. Investment Strategies for Retirement Investment tools and strategies that can enable you to pursue your retirement goals.