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 Dreaming Up an Active Retirement When you retire, how will you treat your next chapter? Retirement Traps to Avoid Beware of these traps that could upend your retirement. Investment Strategies for Retirement Investment tools and strategies that can enable you to pursue your retirement goals.