Should You Tap Retirement Savings to Fund College? There are three things to consider before dipping into retirement savings to pay for college. Share | Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Contents 18 Years’ Worth of Days The average retirement lasts for 18 years, with many lasting even longer. Will you fill your post-retirement days with purpose? How Will Working Affect Social Security Benefits? Knowing the rules may help you decide when to start benefits. Annuity Comparison This calculator compares a hypothetical fixed annuity with an account where the interest is taxed each year.