18 Years Worth of Days The average retirement lasts for 18 years. Are you prepared to fill that many days? Share | Related Content Retiring the 4% Rule A portfolio created with your long-term objectives in mind is crucial as you pursue your dream retirement. Volunteering in Retirement For many, retirement includes contributing their time and talents to an organization in need. Investment Strategies for Retirement Investment tools and strategies that can enable you to pursue your retirement goals.