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 Insuring Your Second Home There are unique risks of owning a second home and obtaining the proper coverage may protect you from financial risk. Roth 401(k) vs. Traditional 401(k) This calculator compares employee contributions to a Roth 401(k) and a traditional 401(k). Global and International Funds Investors seeking world investments can choose between global and international funds. What's the difference?