This is a list of members of the Western Australian Legislative Council from 22 May 1986 to 21 May 1989. The chamber had 34 seats made up of 17 provinces each electing two members, on a system of rotation whereby one-half of the members would retire at each triennial election.
During the term, the Acts Amendment (Electoral Reform) Act 1987 (No.40 of 1987) was passed, which abolished all provinces and created six new multi-member electoral regions to be filled with a system of proportional representation. Terms were increased to four years, but all members retired at each election in contrast with previous practice. There was no transition period—all present members would retire on 21 May 1989, and the new arrangement would take effect the following day based on the results of the 4 February 1989 election.
This is a list of members of the Western Australian Legislative Council from 22 May 1910 to 21 May 1912. The chamber had 30 seats made up of ten provinces each electing three members, on a system of rotation whereby one-third of the members would retire at each biennial election. Prior to the 1910 election, the Council had thought of itself as entirely independent from party politics, but with the election of Labor members to the Council and Labor's vigorous campaign at the 1911 election for the Legislative Assembly, many of its members joined the newly formed Liberal Party which had emerged from the various National Political Leagues and Liberal Leagues.
This is a list of members of the Western Australian Legislative Council from 22 May 1912 to 21 May 1914. The chamber had 30 seats made up of ten provinces each electing three members, on a system of rotation whereby one-third of the members would retire at each biennial election.
This is a list of members of the Western Australian Legislative Council from 22 May 1914 to 21 May 1916. The chamber had 30 seats made up of ten provinces each electing three members, on a system of rotation whereby one-third of the members would retire at each biennial election.
This is a list of members of the Western Australian Legislative Council from 22 May 1916 to 21 May 1918. The chamber had 30 seats made up of ten provinces each electing three members, on a system of rotation whereby one-third of the members would retire at each biennial election.
This is a list of members of the Western Australian Legislative Council from 22 May 1922 to 21 May 1924. The chamber had 30 seats made up of ten provinces each electing three members, on a system of rotation whereby one-third of the members would retire at each biennial election. During the term, the Country Party split into rival Ministerial (MCP) and Executive (ECP) factions–although in the Council, this was diluted somewhat by the refusal of some long-standing Country members to become involved in the dispute. The Executive faction, loyal to the Primary Producers' Association, prevailed and by 1925 the Ministerial faction had merged with the Nationalist Party.
This is a list of members of the Western Australian Legislative Council from 22 May, 1924 to 21 May, 1926. The chamber had 30 seats made up of ten provinces each electing three members, on a system of rotation whereby one-third of the members would retire at each biennial election. In the previous term, the Country Party split into rival Ministerial (MCP) and Executive (ECP) factions. The Executive faction, loyal to the Primary Producers' Association, prevailed and by 1925 the Ministerial faction had merged with the remnants of the National Labor Party into the Nationalist Party.
This is a list of members of the Western Australian Legislative Council from 22 May 1944 to 21 May 1946. The chamber had 30 seats made up of ten provinces each electing three members, on a system of rotation whereby one-third of the members would retire at each biennial election.
This is a list of members of the Western Australian Legislative Council from 22 May 1946 to 21 May 1948. The chamber had 30 seats made up of ten provinces each electing three members, on a system of rotation whereby one-third of the members would retire at each biennial election.
This is a list of members of the Western Australian Legislative Council from 22 May 1950 to 21 May 1952. The chamber had 30 seats made up of ten provinces each electing three members, on a system of rotation whereby one-third of the members would retire at each biennial election.
This is a list of members of the Western Australian Legislative Council from 22 May 1952 to 21 May 1954. The chamber had 30 seats made up of ten provinces each electing three members, on a system of rotation whereby one-third of the members would retire at each biennial election.
This is a list of members of the Western Australian Legislative Council from 22 May 1954 to 21 May 1956. The chamber had 30 seats made up of ten provinces each electing three members, on a system of rotation whereby one-third of the members would retire at each biennial election.
This is a list of members of the Western Australian Legislative Council from 22 May 1956 to 21 May 1958. The chamber had 30 seats made up of ten provinces each electing three members, on a system of rotation whereby one-third of the members would retire at each biennial election.
This is a list of members of the Western Australian Legislative Council from 22 May 1960 to 21 May 1962. The chamber had 30 seats made up of ten provinces each electing three members, on a system of rotation whereby one-third of the members would retire at each biennial election.
This is a list of members of the Western Australian Legislative Council from 22 May 1962 to 21 May 1965.
This is a list of members of the Western Australian Legislative Council from 22 May 1965 to 21 May 1968.
This is a list of members of the Western Australian Legislative Council from 22 May 1968 to 21 May 1971. The chamber had 30 seats made up of 15 provinces each electing two members, on a system of rotation whereby one-half of the members would retire at each triennial election.
This is a list of members of the Western Australian Legislative Council from 22 May 1971 to 21 May 1974. The chamber had 30 seats made up of 15 provinces each electing two members, on a system of rotation whereby one-half of the members would retire at each triennial election.
This is a list of members of the Western Australian Legislative Council from 22 May 1977 to 21 May 1980. The chamber had 32 seats made up of 16 provinces each electing two members, on a system of rotation whereby one-half of the members would retire at each triennial election. A new province, East Metropolitan, was added at the 1977 election. During the term, the National Country Party split in two over the issue of coalition with the Liberal Party, with supporters of the Coalition remaining in the National Country Party (NCP), and opponents creating a new National Party (NP). They reunited in 1985.
This is a list of members of the Western Australian Legislative Council from 22 May 1980 to 21 May 1983. The chamber had 32 seats made up of 16 provinces each electing two members, on a system of rotation whereby one-half of the members would retire at each triennial election.
This is a list of members of the Western Australian Legislative Council from 22 May 1983 to 21 May 1986. The chamber had 34 seats made up of 17 provinces each electing two members, on a system of rotation whereby one-half of the members would retire at each triennial election.