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. The Cost of Procrastination Don't let procrastination keep you from pursuing your financial dreams and goals. A Look at Systematic Withdrawals This calculator may help you estimate how long funds may last given regular withdrawals.