18 Years Worth of Days The average retirement lasts for 18 years. Are you prepared to fill that many days? Share | Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Contents Preparing For the Ultimate Vacation Make your retirement as exciting as your next vacation. Healthcare Costs in Retirement Without a solid approach, health care expenses may add up quickly and potentially alter your spending. Investment Strategies for Retirement Investment tools and strategies that can enable you to pursue your retirement goals.