Moody’s downgrade of the US credit rating explained: Why it matters and what it signals to investors about the country’s creditworthiness.

Moody’s Ratings Service downgraded the United States’s credit rating from the triple-A category to double-A. The federal government’s credit rating dropped from Aaa to Aa1 due to an “increase over more than a decade in government debt and interest payment ratios to levels that are significantly higher than similarly rated sovereigns,