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 What's New for Social Security? There have been a number of changes to Social Security that may affect you, especially if you are nearing retirement. Traditional vs. Roth IRA One or the other? Perhaps both traditional and Roth IRAs can play a part in your retirement plans. Dreaming Up an Active Retirement When you retire, how will you treat your next chapter?