Fitch Ratings mentioned on Wednesday the high and rising federal and general government debt burden is not consistent with the U.S. retaining its 'AAA' status despite its other fundamental sovereign credit strengths, yet it said probably there will be no downgrade action before 2013.

Fitch said a key task of an incoming Congress and administration in 2013 is to formulate a credible plan to reduce the budget deficit and stabilize the federal debt burden. Without such a strategy, the sovereign rating will likely be lowered by the end of 2013.

It is worthwhile to mention that Fitch had changed the U.S. outlook from stable to negative and said the U.S. top rating is at risk.