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 | Have A Question About This Topic? Name Email Address Message Thank you! Oops! Related Content The Richest Man in Babylon In good times and bad, consistently saving a percentage of your income is a sound financial practice. Ask a Financial Professional: Successful Entrepreneurs Learn more about business finance from Travis Scribner of WestPac. Perception vs. Reality There’s an alarming difference between perception and reality for current and future retirees.