Parliament of Australia
From 1901 to 1949, the House consisted of either 74 or 75 members (the Senate had 36). Between 1949 and 1984, it had between 121 and 127 members (the Senate had 60 until 1975, when it increased to 64). In 1977, the High Court ordered that the size of the House be reduced from 127 to 124 members to comply with the nexus provision. In 1984, both the Senate and the House were enlarged; since then the House has had between 148 and 150 members (the Senate has 76).
Members of the Australian Senate, 1978–1981
This is a list of members of the Australian Senate from 1 July 1978 to 30 June 1981. Half of the state senators were elected at the December 1975 election and had terms due to finish on 30 June 1981; the other half of the state senators were elected at the December 1977 election and had terms due to finish on 30 June 1984. The territory senators were elected at the December 1977 election and their terms ended at the dissolution of the House of Representatives, which was October 1980.