The Parliament of the United Kingdom of Great Britain and Northern Ireland is the supreme legislative body of the United Kingdom, and may also legislate for the Crown Dependencies and the British Overseas Territories. It meets at the Palace of Westminster in London. Parliament possesses legislative supremacy and thereby holds ultimate power over all other political bodies in the United Kingdom and the Overseas Territories. While Parliament is bicameral, it has three parts: the sovereign, the House of Lords, and the House of Commons. The three parts acting together to legislate may be described as the King-in-Parliament. The Crown normally acts on the advice of the prime minister, and the powers of the House of Lords are limited to only delaying legislation.
The United Kingdom is a constitutional monarchy which, by legislation and convention, operates as a unitary parliamentary democracy. A hereditary monarch, currently King Charles III, serves as head of state while the Prime Minister of the United Kingdom, currently Sir Keir Starmer since 2024, serves as the elected head of government.
The legislatures of the United Kingdom are derived from a number of different sources. The Parliament of the United Kingdom is the supreme legislative body for the United Kingdom and the British overseas territories with Scotland, Wales and Northern Ireland each having their own devolved legislatures. Each of the three major jurisdictions of the United Kingdom has its own laws and legal system.
The United Kingdom has three distinctly different legal systems, each of which derives from a particular geographical area for a variety of historical reasons: English law, Scots law, Northern Ireland law, and, since 2007, calls for a fourth type, that of purely Welsh law as a result of Welsh devolution, with further calls for a Welsh justice system.
The West Lothian question, also known as the English question, is a political issue in the United Kingdom. It concerns the question of whether members of Parliament (MPs) from Northern Ireland, Scotland and Wales who sit in the House of Commons should be able to vote on matters that affect only England, while neither they nor MPs from England are able to vote on matters that have been devolved to the Northern Ireland Assembly, the Scottish Parliament and the Senedd. The term West Lothian question was coined by Enoch Powell MP in 1977 after Tam Dalyell, the Labour MP for the Scottish constituency of West Lothian, raised the matter repeatedly in House of Commons debates on devolution.
There has not been a government of England since 1707 when the Kingdom of England ceased to exist as a sovereign state, as it merged with the Kingdom of Scotland to form the Kingdom of Great Britain. The Kingdom of Great Britain continued from 1707 until 1801 when it merged with the Kingdom of Ireland to form the United Kingdom of Great Britain and Ireland, which itself became the United Kingdom of Great Britain and Northern Ireland (UK) in 1922 upon independence for most of the island of Ireland.
The administrative geography of the United Kingdom is complex, multi-layered and non-uniform. The United Kingdom, a sovereign state to the northwest of continental Europe, consists of England, Northern Ireland, Scotland and Wales. For local government in the United Kingdom, England, Northern Ireland, Scotland and Wales each have their own system of administrative and geographic demarcation. Consequently, there is "no common stratum of administrative unit encompassing the United Kingdom".
The Senedd, officially known as the Welsh Parliament in English and Senedd Cymru in Welsh, is the devolved, unicameral legislature of Wales. A democratically elected body, it makes laws for Wales, agrees to certain taxes, and scrutinises the Welsh Government. It is a bilingual institution, with both Welsh and English being the official languages of its business. From its creation in May 1999 until May 2020, the Senedd was officially known as the National Assembly for Wales and was often simply called the Welsh Assembly.
Politics of England forms the major part of the wider politics of the United Kingdom, with England being more populous than all the other countries of the United Kingdom put together. As England is also by far the largest in terms of area and GDP, its relationship to the UK is somewhat different from that of Scotland, Wales or Northern Ireland. The English capital London is also the capital of the UK, and English is the dominant language of the UK. Dicey and Morris (p26) list the separate states in the British Islands. "England, Scotland, Northern Ireland, the Isle of Man, Jersey, Guernsey, Alderney, and Sark.... is a separate country in the sense of the conflict of laws, though not one of them is a State known to public international law." But this may be varied by statute.
Referendums in the United Kingdom are occasionally held at a national, regional or local level. Historically, national referendums are rare due to the long-standing principle of parliamentary sovereignty. Legally there is no constitutional requirement to hold a national referendum for any purpose or on any issue however the UK Parliament is free to legislate through an Act of Parliament for a referendum to be held on any question at any time.
A devolved English parliament is a proposed institution that would give separate decision-making powers to representatives for voters in England, similar to the representation given by the Senedd, the Scottish Parliament and the Northern Ireland Assembly. A devolved English parliament is an issue in the politics of the United Kingdom.
Politics in Wales forms a distinctive polity in the wider politics of the United Kingdom, with Wales as one of the four constituent countries of the United Kingdom (UK).
English independence is a political stance advocating secession of England from the United Kingdom. Support for secession of England has been influenced by the increasing devolution of political powers to Scotland, Wales and Northern Ireland, where independence from the United Kingdom is a prominent subject of political debate.
English votes for English laws (EVEL) was a set of procedures of the House of Commons of the Parliament of the United Kingdom whereby legislation that affected only England required the support of a majority of MPs representing English constituencies. The procedures were in place between 2015 and 2021. They were developed following devolution in the United Kingdom as a result of the West Lothian question, a concern about the perceived inequity of MPs from Northern Ireland, Scotland and Wales, sitting in the House of Commons being able to vote on matters that affected only England, while MPs from England were unable to vote on matters that had been devolved to the Northern Ireland Assembly, the Scottish Parliament and the Senedd.
The Welsh Grand Committee, is a committee of the House of Commons of the United Kingdom. It is one of three such grand committees in the United Kingdom Parliament; the other two are for Scotland and Northern Ireland. The committee is made up of all 40 Welsh MPs and up to five other MPs. Since 1996, the committee is governed by Standing Order numbers 102 to 108, which set out its remit and composition.
An Act of Parliament in the United Kingdom is primary legislation passed by the UK Parliament in Westminster, London.
In the United Kingdom, devolution is the Parliament of the United Kingdom's statutory granting of a greater level of self-government to the Scottish Parliament, the Senedd, the Northern Ireland Assembly and the London Assembly and to their associated executive bodies: the Scottish Government, the Welsh Government, the Northern Ireland Executive and in England, the Greater London Authority and combined authorities.
The Commission on the consequences of devolution for the House of Commons, also known as the McKay Commission, was an independent commission established in the United Kingdom to consider issues arising from devolution in the United Kingdom and their effect on the workings of the House of Commons. In the statement made by the government when setting up the commission, it referred to the West Lothian question, a term coined in 1977 to refer to anomalies existing in the pre-devolution government of the UK.
Federalism in the United Kingdom aims at constitutional reform to achieve a federal UK or a British federation, where there is a division of legislative powers between two or more levels of government, so that sovereignty is decentralised between a federal government and autonomous governments in a federal system.
The United Kingdom Internal Market Act 2020 is an act of the Parliament of the United Kingdom passed in December 2020. Its purpose is to prevent internal trade barriers within the UK, and to restrict the legislative powers of the devolved administrations in economic policy. It is one of several pieces of legislation concerning trade that were passed following the European Union membership referendum, as after Brexit the UK is no longer directly subject to EU law.
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