How many justices are on the Supreme Court?

The Supreme Court of the United States is composed of nine justices, a number that has been established for a significant duration of the Court's history. This structure is crucial for ensuring a balanced and diverse set of opinions when adjudicating cases. Each justice's vote carries equal weight in decisions, contributing to the interpretation of the Constitution and federal law. The Supreme Court's nine-justice composition allows for a majority decision, which is essential for resolving legal controversies and maintaining the rule of law in a manner that reflects a consensus among its members.