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
Prime Minister of the United Kingdom Government below). British governments (or Ministries) are generally formed by one party. The Prime Minister and Cabinet are usually all members of the same political party, almost always the one that has a majority of seats in the House of Commons. Coalition governments (a ministry that consists of representatives from two or more parties) and minority governments (a one-party ministry formed by a party that does not command a majority in the Commons) were relatively rare before the 2010 election, since 2010 there has been both a coalition and minority government. "One party government", as this system is sometimes called,