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? Related Content Saving for College 101 Here’s a crash course on saving for college. A Bucket Plan to Go with Your Bucket List Longer, healthier living can put greater stress on retirement assets; the bucket approach may be one answer. What Is My Risk Tolerance? This questionnaire will help determine your tolerance for investment risk.