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 Do Our Biases Affect Our Financial Choices? Even the most seasoned investors have biases affecting their financial choices. Financially Savvy at Six Figures Help your clients with these practical steps to make the most of their six-figure income. The Long Run: Women and Retirement For women, retirement strategy is a long race. It’s helpful to know the route.