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 Which States Rely the Most on Federal Aid? Where Did Americans Move in 2017? States Estimating Revenue Increases from Federal Tax Bill; Montana One Exception So Far Details of the Conference Report for the Tax Cuts and Jobs Act Measuring Marginal Tax Rate on Capital Assets Cigarette Taxes and Cigarette Smuggling by State, 2015 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.