Monday Map: State Credit Ratings August 15, 2011 FAQs about the Border Adjustment Today’s Monday Map shows S&P credit ratings of the 50 states. 13 states have the top AAA rating, and the worst state, California, has a rating of A-. See previous Monday Maps here. Topics Center for State Tax Policy Related Articles Corporate Income Tax Rates around the World, 2017 A Comparison of the Tax Burden on Labor in the OECD, 2017 America’s Highly Progressive Tax System Will Complicate Efforts to Help Working Families State and Local Sales Tax Rates, Midyear 2017 The Largest Deductions Taken by High-Income Households IRS May Have to Refund $300 Million After Federal Judge Rules PTIN Fee is Illegal Subscribe to The Weekly Tax Update Join over 20,000 subscribers! Get the latest in tax news and analysis, delivered directly to your inbox every week. Never miss a post! Get email updates when we post new content.