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Supreme Court Justices

All nine justices of the Supreme Court of the United States, with ideology scores based on Martin-Quinn analysis.

Ideology Spectrum

Liberal

Conservative

Voting Patterns

Key rulings tracked for each justice

Roberts Jr.

Conservative

Majority3

Concurrence1

Dissent0

4 notable rulings tracked

Clarence Thomas

Very Conservative

Majority1

Concurrence3

Dissent0

4 notable rulings tracked

Alito Jr.

Very Conservative

Majority4

Concurrence0

Dissent0

4 notable rulings tracked

Sonia Sotomayor

Very Liberal

Majority0

Concurrence0

Dissent4

4 notable rulings tracked

Elena Kagan

Liberal

Majority1

Concurrence0

Dissent3

4 notable rulings tracked

M. Gorsuch

Conservative

Majority4

Concurrence0

Dissent0

4 notable rulings tracked

M. Kavanaugh

Conservative

Majority2

Concurrence1

Dissent1

4 notable rulings tracked

Coney Barrett

Conservative

Majority3

Concurrence1

Dissent0

4 notable rulings tracked

Brown Jackson

Liberal

Majority0

Concurrence1

Dissent3

4 notable rulings tracked

All Justices

Click any justice to see detailed voting history and key rulings

Chief JusticeConservative

John G. Roberts Jr.

Appointed by George W. Bush

Confirmed 2005

-40.45+4

Associate JusticeVery Conservative

Clarence Thomas

Appointed by George H.W. Bush

Confirmed 1991

-43.28+4

Associate JusticeVery Conservative

Samuel A. Alito Jr.

Appointed by George W. Bush

Confirmed 2006

-42.55+4

Associate JusticeVery Liberal

Sonia Sotomayor

Appointed by Barack Obama

Confirmed 2009

-4-2.89+4

Associate JusticeLiberal

Elena Kagan

Appointed by Barack Obama

Confirmed 2010

-4-1.95+4

Associate JusticeConservative

Neil M. Gorsuch

Appointed by Donald Trump

Confirmed 2017

-41.65+4

Associate JusticeConservative

Brett M. Kavanaugh

Appointed by Donald Trump

Confirmed 2018

-41.25+4

Associate JusticeConservative

Amy Coney Barrett

Appointed by Donald Trump

Confirmed 2020

-41.85+4

Associate JusticeLiberal

Ketanji Brown Jackson

Appointed by Joe Biden

Confirmed 2022

-4-2.15+4

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