CaseTrail

Justice Clarence Thomas

Voting and opinion record for Clarence Thomas in the Supreme Court Database, covering the 1991 through 2025 Terms.

2,823decisions participated in
80%in the majority
555dissenting votes
265majority opinions written

Court eras served in this data: Rehnquist Court, Roberts Court.

Majority opinions by issue area

Most often on the same side

JusticeSame sideCases together
Antonin Scalia91.2%2,090
Samuel A. Alito Jr.87.6%1,471
William H. Rehnquist86.4%1,269
Amy Coney Barrett84.2%361
Neil M. Gorsuch82.5%595

Least often on the same side

JusticeSame sideCases together
John Paul Stevens55.2%1,682
Ketanji Brown Jackson55.3%244
Harry A. Blackmun57.4%312
Sonia Sotomayor58.7%1,195
Stephen G. Breyer62.0%2,224

“Same side” means both Justices were in the majority, or both in dissent, in decisions where both voted; pairs with fewer than 50 shared decisions are left out.

Majority opinions written (265)

Dissents in argued cases (most recent 30 of 531)

Search all opinions by Justice Thomas

Source: Supreme Court Database, 2026 Release 01 (data file dated September 8, 2026). Imported into CaseTrail November 5, 2026. Coverage: decisions from the 1946 through 2025 Terms. Methodology · Report an error