In the United States, there is no degree higher than a PhD. A PhD is the highest academic degree that can be earned, and it is awarded to individuals who have demonstrated mastery of a particular field of study through original research and scholarship.

However, there are some countries where there are degrees that are considered to be higher than a PhD. In Germany, for example, there is a degree called the Habilitation, which is awarded to individuals who have made significant contributions to their field of study. The Habilitation is typically required for individuals who want to hold a tenured professorship at a German university.

Another example of a degree that is considered to be higher than a PhD is the Doctor of Science (DSc). The DSc is awarded to individuals who have made outstanding contributions to their field of study through their research and scholarship. The DSc is typically awarded by professional societies, rather than by universities.

It is important to note that the terms “Habilitation” and “DSc” are not used consistently across all countries. In some countries, these terms may be used to refer to different types of degrees. Therefore, it is important to check with the specific university or professional society to determine the meaning of these terms in a particular context.