Despite the actual tax rate reductions among the Jobs and Growth Tax Relief Reconciliation Act of 2003, the top marginal tax bracket for many retirees is really a whopping fouthy-six.3%. Why? Because Social Security benefits are subject to income tax. Those affected are Social Security recipients who have enough good fortune (misfortune?) pertaining to being subject to both the 25% taxes bracket as well as the 85% inclusion rate for Social Security benefits. Rule first - Usually your money, n...