What is the safest rating that a bond can have?

The safest rating a bond can have is typically "AAA," which is assigned by major credit rating agencies like Standard & Poor's, Moody's, and Fitch. This rating indicates the highest level of creditworthiness, suggesting that the issuer has a very low risk of defaulting on its debt obligations. Bonds with an "AAA" rating are often considered the safest investments, appealing to risk-averse investors.