How many justices are on the Supreme Court?

The Supreme Court of the United States is composed of nine justices, a structure that has been in place since 1869. This number is established by Congress and includes one Chief Justice and eight Associate Justices. The Supreme Court's composition has significant implications for the judicial system, as the justices make crucial decisions that affect various aspects of American law and society. Their interpretations of the Constitution can set precedents that influence future cases and legislation. The number nine allows for the Court to reach a majority opinion, which is essential for effective decision-making and legal clarity.