18 Years Worth of Days The average retirement lasts for 18 years. Are you prepared to fill that many days? Share | Related Content Retirement Redefined Around the country, attitudes about retirement are shifting. Traditional vs. Roth IRA One or the other? Perhaps both traditional and Roth IRAs can play a part in your retirement plans. An Inside Look at Retirement Living A number of questions and concerns need to be addressed to help you better prepare for retirement living.