The Retirement Calculus
Supreme Court retirements are among the most consequential political events in American governance, and the possibility of one or more vacancies before the 2028 election adds significant uncertainty to the political landscape. Three justices are at ages where retirement conversations are active: Clarence Thomas (77), Samuel Alito (76), and Sonia Sotomayor (71).
The strategic calculus for each justice involves balancing personal factors (age, health, desire to continue serving) against political considerations (ensuring a ideologically compatible replacement by timing retirement under a favorable president and Senate configuration).
Justice Clarence Thomas
At 77, Thomas is the longest-serving current justice and has shown no public inclination toward retirement. His jurisprudential project of reconsidering longstanding precedents continues to animate his work on the Court.
Our prediction market assigns a 28% probability to Thomas retiring before the end of 2028. The primary scenario for retirement involves health considerations, as Thomas has had documented health episodes. A strategic retirement would most likely occur during the current term, ensuring a conservative replacement, rather than risking a vacancy during a potentially unfavorable political environment after the 2028 election.
Justice Samuel Alito
Alito, at 76, faces similar considerations. His profile as one of the Court's most consistently conservative voices creates strong incentive to ensure a like-minded successor. However, unlike some previous justices who timed their departures strategically, Alito has given no public indication of retirement plans.
Our prediction market assigns a 24% probability to an Alito retirement before the end of 2028. The reasoning mirrors the Thomas analysis: strategic timing under a favorable administration versus the personal desire to continue serving.
Justice Sonia Sotomayor
At 71, Sotomayor is younger than Thomas and Alito but faces unique health considerations as a Type 1 diabetic who has served on the Court for over 15 years. Democratic strategists have privately expressed concern about the risk of a vacancy under a Republican president if Sotomayor does not retire strategically.
The Sotomayor retirement calculation is more complex because her replacement under the current administration would not change the Court's ideological balance, while a vacancy under a future Republican president could shift the Court to 7-2 conservative.
Political Implications
Any Supreme Court vacancy during the 2028 campaign cycle would instantly become a dominant political issue. The confirmation process has become so politicized that vacancies now function as major campaign catalysts, driving turnout and fundraising on both sides.
Confirmation Dynamics
The Senate's composition after the 2026 midterms will determine whether any vacancy can be filled. A divided Senate could produce the kind of confirmation gridlock that has characterized recent Supreme Court politics.