Records of Prime Ministers of the United Kingdom of . From oldest to youngest: The most recent death of a former Prime Minister was that of Baroness Thatcher (served 1979–90) on 8 April 2013 (aged 87 years, 177 days). Seven Prime Ministers have died in office: Spencer Perceval is the only British Prime Minister to have been assassinated. Sir Robert Peel, Margaret Thatcher and John Major survived assassination attempts in 1843, 1984 and 1991 respectively. Sir Henry Campbell-Bannerman and Bonar Law each resigned during their respective final illnesses. Law died five months after his resignation, but Campbell-Bannerman lived only another 19 days, dying at 10 Downing Street, the
Historical rankings of Prime Ministers of Australia Historical rankings of Prime Ministers of Australia Several surveys of academics and the general public have been conducted to evaluate and rank the performance of the Prime Ministers of Australia. According to Paul Strangio of Monash University, there has been little academic interest in ranking Australian prime ministers, unlike the numerous surveys conducted on American presidents and British prime ministers. The few surveys that have been conducted have been quite unscientific, with respondents chosen at random and no efforts made to measure personal biases. Strangio notes that "the dominant methodology for studying the nation's leaders has been individual-centered biographies [...]