* Justice John Roberts is the current Chief Justice of the Court. While Clarence Thomas is the longest serving Justice on the current Court, longevity does not equal seniority.
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U.S. tenure of current Supreme Court Justices 2024
Justice Clarence Thomas is currently the longest serving Supreme Court Justice, with a tenure of over years. Chief Justice John Roberts has served on the bench for a little over 18 years, while the newest addition to the Court, Ketanji Brown Jackson, has been serving since June 30, 2022.
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Supreme Court of the United States. (November 28, 2024). Number of years served by current Supreme Court Justices in the United States as of November 2024 [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 27, 2026, from /statistics/1322336/tenure-current-supreme-court-justices/
Supreme Court of the United States. "Number of years served by current Supreme Court Justices in the United States as of November 2024." Chart. November 28, 2024. ÌÇÐÄÆƽâ°æ. Accessed July 27, 2026. /statistics/1322336/tenure-current-supreme-court-justices/
Supreme Court of the United States. (2024). Number of years served by current Supreme Court Justices in the United States as of November 2024. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 27, 2026. /statistics/1322336/tenure-current-supreme-court-justices/
Supreme Court of the United States. "Number of Years Served by Current Supreme Court Justices in The United States as of November 2024." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 28 Nov 2024, /statistics/1322336/tenure-current-supreme-court-justices/
Supreme Court of the United States, Number of years served by current Supreme Court Justices in the United States as of November 2024 ÌÇÐÄÆƽâ°æ, /statistics/1322336/tenure-current-supreme-court-justices/ (last visited July 27, 2026)
Number of years served by current Supreme Court Justices in the United States as of November 2024 [Graph], Supreme Court of the United States, November 28, 2024. [Online]. Available: /statistics/1322336/tenure-current-supreme-court-justices/
