[[Ficheiro:World countries Standard & Poor's ratings.pngsvg|thumb|400px|Países ao redor do mundo pela classificação de crédito da ''[[Standard & Poor's]]'' (S&P), em janeiro de 2012:<ref>{{cite web|url=http://www.standardandpoors.com/ratings/sovereigns/ratings-list/en/us |title=S&P | Ratings Sovereigns Ratings List | Americas |publisher= Standard & Poor's |date= |accessdate= August 7, 2011}}</ref><ref name=ResearchUpdate>Reference for the United States: {{cite web|url=http://www.standardandpoors.com/servlet/BlobServer?blobheadername3=MDT-Type&blobcol=urldata&blobtable=MungoBlobs&blobheadervalue2=inline%3B+filename%3DUS_Downgraded_AA%2B.pdf&blobheadername2=Content-Disposition&blobheadervalue1=application%2Fpdf&blobkey=id&blobheadername1=content-type&blobwhere=1243942957443&blobheadervalue3=UTF-8 |title=United States of America Long-Term Rating Lowered To 'AA+' On Political Risks And Rising Debt Burden; Outlook Negative |publisher= Standard & Poor's |accessdate=August 5, 2011}}</ref>
