By convention, the governor appoints as premier whoever has the support of the majority of the Western Australian Legislative Assembly.
[4] The Parliament of Western Australia is bicameral, consisting of a lower and an upper house.
The Western Australian Legislative Assembly (lower house) is composed of 59 members of parliament, each of whom represent a single electoral district and are elected using a preferential voting system.
The Western Australian Legislative Council (upper house) has 36 members (or MLCs), representing six electoral regions.
Historically, most federal elections have already been "decided"[a] by the time the polls close in Western Australia.