Records of Prime Ministers of the United Kingdom The tallest Prime Minister is believed to be Lord Salisbury, who was around in height, although Downing Street's own website lists James Callaghan as the tallest. The longest personal name held by a British Prime Minister was that of Lord Derby whose three forenames and double-barreled surnameEdward George Geoffrey Smith-Stanleytotal 32 letters. The shortest baptismal names, each 10 letters long, were held by Lord Bute who was plain John Stuart, and Sir Robert Peel. John Major was baptised "John Roy Major" but his birth certificate simply read "John Major", and so his legal name has only nine letters. (He used
Prime Minister of Sweden months after an election. The Instrument of Government requires that the Prime Minister appoint a member of the cabinet as Deputy Prime Minister, to perform the duties of the Prime Minister if the Prime Minister cannot. However, if a Deputy Prime Minister is absent or has not been appointed, the senior minister in the cabinet becomes acting head of government. If more than one minister has equal tenure, the eldest assumes the position (see "Swedish governmental line of succession" for the present governmental line of succession). Officially, the Prime Minister's position is stronger than that of their counterparts in Denmark