Resolves according to president/senate that expanded it

Per Manifold Markets prediction market, Democrats and Republicans are most likely. See the market for live updates (2 traders, as of May 16, 2026).

If the Supreme Court has more than 9 justices, was it because of democrats or republicans?

What will be the Republican-Democrat balance of US Supreme Court justices by the 2029 inauguration?

Will the next Supreme Court justice be appointed by a Democrat?

17% chance

Will The Next US Supreme Court Justice Be Appointed By A Democrat?

19% chance

Will the US supreme court contain more than 9 justices before 2030?

15% chance

If/When the US adds more (11 total)Supreme Court justices which party will do it

Will the balance of power in the Supreme Court switch to the democrats before more seats are added to the Supreme Court

28% chance

Will the number of seats on the Supreme Court be increased from 9 between now and 2030?

17% chance

If Democrats win a trifecta in 2028, will they expand the Supreme Court by 2032

39% chance

As 2029 begins, who will be a justice on the Supreme Court of the United States? [w/ user-added answers]

Will there be more than 9 Justices in the US Supreme Court on Jan 1, 2030?

17% chance