Members of the Australian House of Representatives, 1949–1951 Members of the Australian House of Representatives, 1949–1951 This is a list of the members of the Australian House of Representatives in the 19th Australian Parliament, which was elected at the 1949 election on 10 December 1949. In the first of two significant expansions, the house was expanded by 48 seats, from 75 (including the Northern Territory) to 123 seats (including the Australian Capital Territory) — the other expansion in 1984 added 23 seats. In addition the seat of Bourke was replaced by Burke. The opposition Liberal Party of Australia led by Robert Menzies with coalition partner the Country Party
Prime Minister of Australia becomes acting Prime Minister in those circumstances. Three Prime Ministers have died in office – Joseph Lyons (1939), John Curtin (1945) and Harold Holt (1967). In each of these cases, the Deputy Prime Minister (an unofficial office at the time) became an interim Prime Minister, pending an election of a new leader of the government party. In none of these cases was the interim Prime Minister successful at the subsequent election. As of , there are seven living former Australian Prime Ministers. The greatest number of living former Prime Ministers at any one time was eight. This has occurred twice: