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 A Bucket Plan to Go with Your Bucket List A bucket plan can help you be better prepared for a comfortable retirement. Social Security: Maximizing Benefits There are other ways to maximize Social Security benefits, in addition to waiting to claim them. Investment Strategies for Retirement Investment tools and strategies that can enable you to pursue your retirement goals.