4.2 The Supreme Court: Composition and Jurisdiction
3 min read•august 16, 2024
The Supreme Court's composition and jurisdiction form the backbone of the judicial branch. Nine justices serve lifetime appointments, ensuring independence from political pressures. This structure allows the Court to interpret the Constitution and shape American law without fear of reprisal.
The Court's power stems from its original and . While rarely exercised, allows the Court to hear specific cases first. Appellate jurisdiction, the Court's primary function, enables it to review lower court decisions, maintaining consistency in federal law interpretation.
Supreme Court Composition and Term Lengths
Composition and Historical Changes
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Supreme Court consists of nine justices (one and eight Associate Justices)
Number of justices changed throughout history (ranged from six to ten)
Judiciary Act of 1869 established the current nine-justice composition
No age requirements or restrictions for Supreme Court appointments
Lifetime Appointments and Judicial Independence
Justices appointed for life terms
Serve until retirement, resignation, or impeachment and removal from office
Life tenure designed to insulate justices from political pressures
Promotes judicial independence in decision-making
Justices can only be removed through impeachment process (requires conviction by Senate)
Original vs Appellate Jurisdiction
Original Jurisdiction
Supreme Court's authority to hear cases for the first time
Limited to specific types of cases:
Disputes between states (territorial conflicts, water rights)
Cases involving ambassadors or other public ministers and consuls (diplomatic immunity issues)
Congress cannot alter or restrict the Court's original jurisdiction
Relatively rare compared to appellate cases
Appellate Jurisdiction
Allows Supreme Court to review decisions made by lower courts
Covers decisions from:
Lower federal courts (district courts, courts of appeals)
State courts on federal issues (constitutional questions, federal law interpretations)
Vast majority of Supreme Court cases fall under appellate jurisdiction
Congress has power to regulate and make exceptions to appellate jurisdiction
Examples of appellate cases:
First Amendment challenges (freedom of speech, religion)