The New York State Senate has 63 founders.
 Under their power-sharing arrangement, the IDC and the Senate Republicans to "jointly decide what bills [would] reach the Senate floor each day of the session", would "dole out committee assignments", would "have the power to make appointments to state and local boards", and would "share negotiations over the state budget"
=== 2019-2023: Democratic majority ===On November 6, 2018, the Democratic Party gained eight seats and won control of the State Senate

