A Fruitful Retirement: Social Security Benefit Taking your Social Security benefits at the right time may help maximize your benefit. Share | Have A Question About This Topic? Address Thank you! Oops! Related Contents 18 Years Worth of Days The average retirement lasts for 18 years. Are you prepared to fill that many days? Eight Mistakes That Can Upend Your Retirement There are common mistakes you can avoid when saving for retirement. Women and Retirement Women must be ready to spend, on average, more years in retirement than men.