Prime Minister of the United Kingdom retirement from the Commons, which elevates the individual to the House of Lords. Formerly, the peerage bestowed was usually an earldom, with Churchill offered a dukedom. From the 1960s onward, life peerages were preferred, although in 1984 Harold Macmillan was created Earl of Stockton. Sir Alec Douglas-Home, Harold Wilson, James Callaghan and Margaret Thatcher accepted life peerages, although Douglas-Home had previously disclaimed his hereditary title as Earl of Home. Edward Heath did not accept a peerage of any kind and nor have any of the Prime Ministers to retire since 1990; although Heath and Major were later appointed as Knights
Prime minister when Northern Ireland was a Majority Rule Parliament the head of government would be known as the Prime Minister of Northern Ireland. In Pakistan, the prime minister is referred to as "Wazir-e-Azam", meaning "Grand Vizier". The Prime Minister's executive office is usually called the Office of the Prime Minister in the case of the Canada and other Commonwealth countries, it is called Cabinet Office in United Kingdom. Some Prime Minister's office do include the role of Cabinet. In other countries, it is called the Prime Minister's Department or the Department of the Prime Minister and Cabinet as for Australia. In