A list of the justices of the Supreme Court

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A list of the justices of the Supreme Court
FILE - In this June 1, 2017, file photo, the justices of the U.S. Supreme Court gather for an official group portrait to include new Associate Justice Neil Gorsuch, top row, far right at the Supreme Court Building in Washington. Seated, from left are, Associate Justice Ruth Bader Ginsburg, Associate Justice Anthony M. Kennedy, Chief Justice John Roberts, Associate Justice Clarence Thomas, and Associate Justice Stephen Breyer. Standing, from left are, Associate Justice Elena Kagan, Associate Justice Samuel Alito Jr., Associate Justice Sonia Sotomayor, and Associate Justice Neil Gorsuch. In different circumstances, Ginsburg might be on a valedictory tour in her final months on the Supreme Court. But in the era of Donald Trump, the 84-year-old Ginsburg is packing her schedule and sending signals she intends to keep her seat on the bench for years. (AP Photo/J. Scott Applewhite, File)

A list of the justices of the Supreme Court, their ages and the presidents who appointed them, in order of seniority. The chief justice is considered the most senior of the group, though John Roberts has not been on the court the longest:

Chief Justice John Roberts, 63, nominated by Republican George W. Bush, joined the court in 2005.

Justice Anthony Kennedy, 81, nominated by Republican Ronald Reagan, joined the court in 1988.

Justice Clarence Thomas, 69, nominated by Republican George H.W. Bush, joined the court in 1991.

Justice Ruth Bader Ginsburg, 84, nominated by Democrat Bill Clinton, joined the court in 1993.

Justice Stephen Breyer, 79, nominated by Clinton, joined the court in 1994.

Justice Samuel Alito, 67, nominated by George W. Bush, joined the court in 2006.

Justice Sonia Sotomayor, 63, nominated by Democrat Barack Obama, joined the court in 2009.

Justice Elena Kagan, 57, nominated by Obama, joined the court in 2010.

Justice Neil Gorsuch, 50, nominated by Republican Donald Trump, joined the court in 2017.