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 New Zealand by Cabinet, as per the convention of collective ministerial responsibility. The actual ability of a prime minister to give direct orders is largely limited; most of the position's power comes about through other means, such as: Since the introduction of the MMP electoral system, there has been an increased need for the prime minister to be able to negotiate and maintain relationships with support parties, which places some constraints on their abilities. The prime minister is also expected to take on additional portfolios. Historically, the prime minister looked after colonial and revenue portfolios. As New Zealand expanded, the role of