Prime Minister of the United Kingdom the incumbent is consistently ranked as one of the most powerful and influential people in the world. The Prime Minister is the head of the United Kingdom government. As such, the modern Prime Minister leads the Cabinet (the Executive). In addition, the Prime Minister leads a major political party and generally commands a majority in the House of Commons (the lower House of the legislature). The incumbent wields both significant legislative and executive powers. Under the British system, there is a unity of powers rather than separation. In the House of Commons, the Prime Minister guides the law-making process with
Government of the United Kingdom this is usually the elected House of Commons rather than the House of Lords. There have been some recent exceptions to this: for example, cabinet ministers Lord Mandelson (First Secretary of State) and Lord Adonis (Secretary of State for Transport) sat in the Lords and were responsible to that House during the government of Gordon Brown. Since the start of Edward VII's reign in 1901, the prime minister has always been an elected member of Parliament (MP) and therefore directly accountable to the House of Commons. A similar convention applies to the Chancellor of the Exchequer. It would likely be