Justices Serving on the Court 2010 – 2029
The following figures and tables include the names of the Justices serving on the Court and Martin Quinn scores for the indicated year. Each table also includes the name of the appointing President, the President’s party affiliation and the years each Justice served on the Court. The first Justice listed is the Chief Justice of the Supreme Court.
2010
Justices serving on the Court and Martin Quinn Ideology scores, 2010
| Justice | Mean | President | Party of President | Years Served |
|---|---|---|---|---|
| Kennedy | 0.587 | Reagan | Republican | 1987-2018 |
| Scalia | 2.145 | Reagan | Republican | 1986-2016 |
| Thomas | 3.335 | Bush, G.H.W | Republican | 1991- |
| Kagan | -1.431 | Obama | Democrat | 2010- |
| Roberts | 1.407 | Bush, G.W | Republican | 2005- |
| Ginsburg | -2.072 | Clinton | Democrat | 1993-2020 |
| Alito | 1.996 | Bush, G.W | Republican | 2005- |
| Breyer | -1.389 | Clinton | Democrat | 1994-2022 |
| Sotomayor | -1.672 | Obama | Democrat | 2008- |
| Chief Justice | Median | Court Score |
|---|---|---|
| Roberts | 0.587 | 0.32 |
Citizens United v. FEC (2010)
McCutcheon v. FEC (2010)
McDonald v. Chicago (2010)
2011
Justices serving on the Court and Martin Quinn Ideology scores, 2011
| Justice | Mean | President | Party of President | Years Served |
|---|---|---|---|---|
| Kennedy | 0.307 | Reagan | Republican | 1987-2018 |
| Scalia | 2.072 | Reagan | Republican | 1986-2016 |
| Thomas | 3.323 | Bush, G.H.W | Republican | 1991- |
| Kagan | -1.411 | Obama | Democrat | 2010- |
| Roberts | 1.216 | Bush, G.W | Republican | 2005- |
| Ginsburg | -2.354 | Clinton | Democrat | 1993-2020 |
| Alito | 2.008 | Bush, G.W | Republican | 2005- |
| Breyer | -1.393 | Clinton | Democrat | 1994-2022 |
| Sotomayor | -1.841 | Obama | Democrat | 2008- |
| Chief Justice | Median | Court Score |
|---|---|---|
| Roberts | 0.307 | 0.21 |
Brown v. Entertainment Merchants Association (2011)
Snyder v. Phelps (2011)
2012
Justices serving on the Court and Martin Quinn Ideology scores, 2012
| Justice | Mean | President | Party of President | Years Served |
|---|---|---|---|---|
| Kennedy | 0.253 | Reagan | Republican | 1987-2018 |
| Scalia | 1.752 | Reagan | Republican | 1986-2016 |
| Thomas | 3.302 | Bush, G.H.W | Republican | 1991- |
| Kagan | -1.654 | Bush, G.W | Republican | 2005- |
| Roberts | 1.117 | Bush, G.W | Republican | 2005- |
| Ginsburg | -2.445 | Clinton | Democrat | 1993-2020 |
| Alito | 1.988 | Bush, G.W | Republican | 2005- |
| Breyer | -1.381 | Clinton | Democrat | 1994-2022 |
| Sotomayor | -2.281 | Obama | Democrat | 2008- |
| Chief Justice | Median | Court Score |
|---|---|---|
| Roberts | 0.253 | 0.07 |
United States v. Alvarez (2012)
2013
Justices serving on the Court and Martin Quinn Ideology scores, 2013
| Justice | Mean | President | Party of President | Years Served |
|---|---|---|---|---|
| Kennedy | 0.253 | Reagan | Republican | 1987-2018 |
| Scalia | 1.752 | Reagan | Republican | 1986-2016 |
| Thomas | 3.302 | Bush, G.H.W | Republican | 1991- |
| Kagan | -1.654 | Bush, G.W | Republican | 2005- |
| Roberts | 1.117 | Bush, G.W | Republican | 2005- |
| Ginsburg | -2.445 | Clinton | Democrat | 1993-2020 |
| Alito | 1.988 | Bush, G.W | Republican | 2005- |
| Breyer | -1.381 | Clinton | Democrat | 1994-2022 |
| Sotomayor | -2.281 | Obama | Democrat | 2008- |
| Chief Justice | Median | Court Score |
|---|---|---|
| Roberts | 0.074 | 0.07 |
Burwell v. Hobby Lobby (2013)
Shelby County v. Holder (2013)
United States v. Windsor (2013)
2014
Justices serving on the Court and Martin Quinn Ideology scores, 2014
| Justice | Mean | President | Party of President | Years Served |
|---|---|---|---|---|
| Kennedy | -0.219 | Reagan | Republican | 1987-2018 |
| Scalia | 1.548 | Reagan | Republican | 1986-2016 |
| Thomas | 3.387 | Bush, G.H.W | Republican | 1991- |
| Kagan | -1.66 | Bush, G.W | Republican | 2005- |
| Roberts | 0.601 | Bush, G.W | Republican | 2005- |
| Ginsburg | -2.521 | Clinton | Democrat | 1993-2020 |
| Alito | 1.754 | Bush, G.W | Republican | 2005- |
| Breyer | -1.557 | Clinton | Democrat | 1994-2022 |
| Sotomayor | -2.858 | Obama | Democrat | 2008- |
| Chief Justice | Median | Court Score |
|---|---|---|
| Roberts | -0.219 | -0.17 |
Schuette v. BAMN (2014)
McCullen v. Coakley (2014)
Town of Greece v. Galloway (2014)
2015
Justices serving on the Court and Martin Quinn Ideology scores, 2015
| Justice | Mean | President | Party of President | Years Served |
|---|---|---|---|---|
| Kennedy | -0.262 | Reagan | Republican | 1987-2018 |
| Scalia | 1.621 | Reagan | Republican | 1986-2016 |
| Thomas | 3.451 | Bush, G.H.W | Republican | 1991- |
| Kagan | -1.541 | Bush, G.W | Republican | 2005- |
| Roberts | 0.335 | Bush, G.W | Republican | 2005- |
| Ginsburg | -2.639 | Clinton | Democrat | 1993-2020 |
| Alito | 1.644 | Bush, G.W | Republican | 2005- |
| Breyer | -1.464 | Clinton | Democrat | 1994-2022 |
| Sotomayor | -3.067 | Obama | Democrat | 2008- |
| Chief Justice | Median | Court Score |
|---|---|---|
| Roberts | -0.264 | -0.21 |
Elonis v. United States (2015)
Obergefell v. Hodges (2015)
Reed v. Town of Gilbert (2015)
Walker v. Texas Division, Sons of Confederate Veterans (2015)
2016
Justices serving on the Court and Martin Quinn Ideology scores, 2016
| Justice | Mean | President | Party of President | Years Served |
|---|---|---|---|---|
| Kennedy | -0.043 | Reagan | Republican | 1987-2018 |
| Thomas | 3.51 | Bush, G.H.W | Republican | 1991- |
| Kagan | -1.579 | Bush, G.W | Republican | 2005- |
| Roberts | 0.348 | Bush, G.W | Republican | 2005- |
| Gorsuch | 1.117 | Trump | Republican | 2016- |
| Ginsburg | -2.733 | Clinton | Democrat | 1993-2020 |
| Alito | 1.827 | Bush, G.W | Republican | 2005- |
| Breyer | -1.543 | Clinton | Democrat | 1994-2022 |
| Sotomayor | -3.232 | Obama | Democrat | 2008- |
| Chief Justice | Median | Court Score |
|---|---|---|
| Roberts | -0.055 | -0.26 |
Caetano v. Massachusetts (2016)
Cooper v. Harris (2016)
Fisher v. Texas (II) (2016)
Whole Women’s Health v. Hellerstedt (2016)
2017
Justices serving on the Court and Martin Quinn Ideology scores, 2017
| Justice | Mean | President | Party of President | Years Served |
|---|---|---|---|---|
| Kennedy | 0.407 | Reagan | Republican | 1987-2018 |
| Thomas | 3.504 | Bush, G.H.W | Republican | 1991- |
| Kagan | -1.623 | Bush, G.W | Republican | 2005- |
| Roberts | 0.394 | Bush, G.W | Republican | 2005- |
| Gorsuch | 1.037 | Trump | Republican | 2016- |
| Ginsburg | -2.785 | Clinton | Democrat | 1993-2020 |
| Alito | 2.019 | Bush, G.W | Republican | 2005- |
| Breyer | -1.758 | Clinton | Democrat | 1994-2022 |
| Sotomayor | -3.408 | Obama | Democrat | 2008- |
| Chief Justice | Median | Court Score |
|---|---|---|
| Roberts | 0.29 | -0.25 |
Matal v. Tam (2017)
Pavan v. Smith (2017)
Sessions v. Morales-Santana (2017)
2018
Justices serving on the Court and Martin Quinn Ideology scores, 2018
| Justice | Mean | President | Party of President | Years Served |
|---|---|---|---|---|
| Kavanaugh | 0.568 | Trump | Republican | 2018- |
| Thomas | 3.606 | Bush, G.H.W | Republican | 1991- |
| Kagan | -1.617 | Bush, G.W | Republican | 2005- |
| Roberts | 0.375 | Bush, G.W | Republican | 2005- |
| Gorsuch | 0.939 | Trump | Republican | 2016- |
| Ginsburg | -2.83 | Clinton | Democrat | 1993-2020 |
| Alito | 1.912 | Bush, G.W | Republican | 2005- |
| Breyer | -1.832 | Clinton | Democrat | 1994-2022 |
| Sotomayor | -3.459 | Obama | Democrat | 2008- |
| Chief Justice | Median | Court Score |
|---|---|---|
| Roberts | 0.326 | -0.26 |
Masterpiece Cakeshop v. Colorado (2018)
Minnesota Voters Alliance v. Mansky (2018)
2019
Justices serving on the Court and Martin Quinn Ideology scores, 2019
| Justice | Mean | President | Party of President | Years Served |
|---|---|---|---|---|
| Kavanaugh | 0.513 | Trump | Republican | 2018- |
| Thomas | 3.691 | Bush, G.H.W | Republican | 1991- |
| Kagan | -1.693 | Bush, G.W | Republican | 2005- |
| Roberts | 0.216 | Bush, G.W | Republican | 2005- |
| Gorsuch | 0.836 | Trump | Republican | 2016- |
| Ginsburg | -2.816 | Clinton | Democrat | 1993-2020 |
| Alito | 2.051 | Bush, G.W | Republican | 2005- |
| Breyer | -1.867 | Clinton | Democrat | 1994-2022 |
| Sotomayor | -3.483 | Obama | Democrat | 2008- |
| Chief Justice | Median | Court Score |
|---|---|---|
| Roberts | 0.185 | -0.28 |
American Legion v. American Humanist Assn. (2019)
Iancu v. Brunetti (2019)
Rucho v. Common Cause (2019)
Timbs v. Indiana (2019)
2020
No Martin Quinn Scores
| Justice | President | Party of President | Years Served |
|---|---|---|---|
| Kavanaugh | Trump | Republican | 2018- |
| Thomas | Bush, G.H.W. | Republican | 1991- |
| Kagan | Bush, G.W. | Republican | 2005- |
| Roberts | Bush, G.W. | Republican | 2005- |
| Gorsuch | Trump | Republican | 2016- |
| Ginsburg | Clinton | Democrat | 1993-2020 |
| Alito | Bush, G.W. | Republican | 2005- |
| Breyer | Clinton | Democrat | 1994-2022 |
| Sotomayor | Obama | Democrat | 2008- |
Espinoza v. Montana Department of Revenue (2020)
June Medical Services v. Russo (2020)
Ramos v. Louisiana (2020)
2021
No Martin Quinn Scores
| Justice | President | Party of President | Years Served |
|---|---|---|---|
| Kavanaugh | Trump | Republican | 2018- |
| Thomas | Bush, G.H.W. | Republican | 1991- |
| Kagan | Bush, G.W. | Republican | 2005- |
| Roberts | Bush, G.W. | Republican | 2005- |
| Gorsuch | Trump | Republican | 2016- |
| Barrett | Trump | Republican | 2021- |
| Alito | Bush, G.W. | Republican | 2005- |
| Breyer | Clinton | Democrat | 1994-2022 |
| Sotomayor | Obama | Democrat | 2008- |
Brnovich v. Democratic National Committee (2021)
Fulton v. City of Philadelphia (2021)
Mahanoy Area School District v. B.L. (2021)
Tandon v. Newsom (2021)
2022
No Martin Quinn Scores
Dobbs v. Jackson Women’s Health Organization (2022)
Kennedy v. Bremerton School District (2022)
2023
No Martin Quinn Scores
303 Creative LLC v. Elenis (2023)
Counterman v. Colorado (2023)
Students for Fair Admissions, Inc. v. President and Fellows of Harvard (2023)
2024
No Martin Quinn Scores
United States v. Rahimi (2024)
2025
No Martin Quinn Scores
TikTok Inc. v. Garland (2025)
Mahmoud et al. v. Taylor et al. (2025)
Free Speech Coalition, Inc, et al. v. Paxton (2025)
United States v. Skrmetti (2025)
Catholic Charities Bureau, Inc v. Wisconsin Labor and Industry Review Commission (2025)
2026
No Martin Quinn Scores
Chiles v. Salazar (2026)
Louisiana v. Callais (2026)
National Republican Senatorial Committee v. FEC (2026)
West Virginia v. B.P.J. (2026)
Wolford v. Lopez (2026)