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? Share | Related Content Should You Tap Retirement Savings to Fund College? There are three things to consider before dipping into retirement savings to pay for college. Catch-Up Contributions Workers 50+ may make contributions to their qualified retirement plans above the limits imposed on younger workers. Annuity Comparison This calculator compares a hypothetical fixed annuity with an account where the interest is taxed each year.