This list identifies 9 current U.S. Senators who have publicly endorsed expanding the Supreme Court.
Cosponsorship of any legislation listed below is treated as evidence of support. For details, see Legislation to Expand the Supreme Court.
Click on the highlighted senators' names to visit their Bluesky profiles, and click the source links to view documentation of their support.
If an endorsement is missing, please use the Contact form to submit the senator's name and a link to the supporting source.
Last updated: October 1, 2026