How many justices are on the Supreme Court?

The Supreme Court of the United States is composed of nine justices. This number has been set since 1869 and includes one Chief Justice and eight Associate Justices. The Supreme Court's composition is established by Congress, and it has remained at nine for over 150 years. This structure allows the Court to function effectively while ensuring a diversity of opinions on legal matters. As such, having nine justices helps in achieving a balance in decision-making and provides a majority for rulings. The number has historical significance as well, reflecting the Court's growth alongside the country.