The 46th Parliament was prorogued on 11 April 2022 and a general election is to be held on 21 May. The information in the above graphic and table reflects the composition of the Senate at the date of prorogation.

The 45th Parliament was prorogued on 11 April 2019 and a general election was held on 18 May. The terms of state senators elected on that date commenced on 1 July 2019. The terms of territory senators began on the date of their election.

Detailed information on the composition of the 45th parliament is also available.