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? Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content Extended Care: A Patchwork of Possibilities What is your plan for health care during retirement? Silver Sneakers 101 Medicare’s popular program, offering free gym membership and health education. Travel, Without the Baggage Tips to avoid checking in luggage on your next vacation.