Despite the tax rate reductions of your Jobs and Growth Tax Relief Reconciliation Act of 2003, the top marginal income tax bracket for many retirees is often a whopping forty-six.3%. Why? Because Social Security benefits are subject to income tax. Those affected are Social Security recipients who include the good fortune (misfortune?) end up being subject to both the 25% income tax bracket and the 85% inclusion rate for Social Security benefits. xnxx ...