[1] The president of the Senate is Mississippi lieutenant governor Delbert Hosemann, who is Republican.

The president pro tempore is Republican Dean Kirby.

[7] The following composition reflects the balance of power after the 2023 elections.

Republicans secured a majority for the fourth time since 2011, the first year when Republicans won the majority of seats in the State House since 1870.

[8][9] The 2023 elections were marked by new leadership, as the past speaker Phillip Gunn retired, allowing his chief lieutenant, then-Speaker Pro Tempore Jason White to become the new speaker.