This is a list of members of the Australian Senate from 1 July 1950 to 28 April 1951. The Senate was expanded from 36 to 60 seats as a result of legislation passed in 1948, which came into effect on 22 February 1950.Representation Act 1948 (Cth). The membership of the newly expanded Senate broke down as follows: 18 of its members (3 for each state) were elected at the 28 September 1946 election, the last election under the plurality-at-large voting system where the Australian Labor Party had won 15 of the 18 seats. These senators had terms starting on 1 July 1947 and due to finish on 30 June 1953. 42 of its members (7 for each state) were elected at the 10 December 1949 election, which was the first election conducted with a single transferable vote under a proportional voting system. The senators were divided into two classes: 30 of its members (5 for each state) had terms starting on 1 July 1950 and due to finish on 30 June 1956. The 18 senators elected in the 21 August 1943 election served until their terms ended on 30 June 1950. 12 of its members (2 for each state) had terms starting on 22 February 1950 (the day the term of the House of Representatives began) and due to finish on 30 June 1953.
Labor retained a Senate majority at the election. The Senate was dissolved for the 1951 election, which was a double dissolution. Labor has not held a Senate majority since.
Senator Party State Term ending Years in office New South Wales 1953 1938–1965 New South Wales 1956 1938–1962 New South Wales 1953 1941–1965 New South Wales 1953 1938–1962 Tasmania 1956 1938–1965 South Australia 1953 1946–1951 Queensland 1956 1950–1968 Queensland 1953 1932–1965 Victoria 1956 1938–1962 Tasmania 1953 1950–1965 Western Australia 1953 1947–1951, 1952–1965 Queensland 1953 1928–1932, 1935–1968 Queensland 1956 1937–1962 South Australia 1953 1947–1959 Victoria 1956 1946–1957 South Australia 1956 1944–1953 Western Australia 1956 1938–1959 Victoria 1956 1950–1968 New South Wales 1956 1944–1959 Tasmania 1956 1950–1956 South Australia 1953 1950–1967 Western Australia 1953 1947–1951, 1953–1959 Victoria 1953 1947–1971 Tasmania 1956 1950–1968 Victoria 1953 1947–1951 Queensland 1956 1950–1965 New South Wales 1953 1941–1951 Queensland 1956 1950–1965 South Australia 1956 1944–1946, 1950–1968 New South Wales 1956 1950–1962 Tasmania 1956 1944–1968 South Australia 1956 1935–1947, 1950–1955 Tasmania 1953 1947–1953 Tasmania 1953 1947–1951 Western Australia 1956 1943–1951 South Australia 1956 1944–1968 Tasmania 1953 1946–1981 South Australia 1956 1944–1962 Queensland 1953 1947–1962 Western Australia 1956 1950–1952 Queensland 1953 1947–1971 Victoria 1956 1950–1956 New South Wales 1956 1950–1962 Western Australia 1956 1950–1962 South Australia 1953 1950–1959 Victoria 1953 1947–1956, 1957–1966 Western Australia 1953 1950–1971 Victoria 1953 1938–1940, 1944–1962 Queensland 1953 1950–1951 Victoria 1956 1940–1944, 1950–1956 New South Wales 1956 1950–1965 Western Australia 1953 1943–1968 New South Wales 1953 1950–1953 Western Australia 1956 1950–1964 South Australia 1953 1947–1951 Victoria 1953 1950–1971 Western Australia 1953 1950–1975 Queensland 1956 1950–1978 Tasmania 1953 1950–1959 Tasmania 1956 1950–1978
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