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Title::united    Kingdom::british    Ireland::first    England::scotland    London::wales    Https::northern

{{#invoke:Hatnote|hatnote}} {{#invoke:Protection banner|main}} {{#invoke:Pp-move-indef|main}} {{ safesubst:#invoke:Unsubst||$N=Use British English |date=__DATE__ |$B= }} {{ safesubst:#invoke:Unsubst||$N=Use dmy dates |date=__DATE__ |$B= }}

{{safesubst:#invoke:Separated entries|br}}
A flag featuring both cross and saltire in red, white and blue Coat of arms containing shield and crown in centre, flanked by lion and unicorn
Flag Royal coat of armsUnknown extension tag "ref"
Anthem: "God Save the Queen"Unknown extension tag "ref"
Two islands to the north-west of continental Europe. Highlighted are the larger island and the north-eastern fifth of the smaller island to the west.
Location of the  United Kingdom{{#invoke:String|rep| |2}}(dark green)

– in Europe{{#invoke:String|rep| |2}}(green & dark grey)
– in the European Union{{#invoke:String|rep| |2}}(green)

Capital
and largest city
London
{{#invoke:Coordinates|coord}}{{#coordinates:51|30|N|0|7|W|type:city||

| |name=

}}
Official language
and national language
English
Recognised regional
languagesUnknown extension tag "ref"
{{safesubst:#invoke:list|horizontal}}
Ethnic groups (2011) {{safesubst:#invoke:list|unbulleted}}
Demonym {{safesubst:#invoke:list|horizontal}}
Government Unitary parliamentary constitutional monarchy
 -  Monarch Elizabeth II
 -  Prime Minister David Cameron
Legislature Parliament
 -  Upper house House of Lords
 -  Lower house House of Commons
History
 -  Acts of Union of England and Scotland 1 May 1707 
 -  Acts of Union of Great Britain and Ireland 1 January 1801 
 -  Irish Free State Constitution Act 5 December 1922 
 -  EEC accessionUnknown extension tag "ref" 1 January 1973 
Area
 -  Total 242,495 km2<ref>{{#invoke:Citation/CS1|citation

|CitationClass=journal

}}</ref> (80th)
93,628 sq mi
 -  Water (%) 1.34
Population
 -  2014 estimate 64,511,000<ref name="imf2"/> (22nd)
 -  2011 census 63,181,775<ref name="pop_census">{{#invoke:citation/CS1|citation

|CitationClass=web

}}</ref> (22nd)
 -  Density 255.6/km2 (51st)
661.9/sq mi
GDP (PPP) 2015 estimate
 -  Total $2.660 trillion (10th)
 -  Per capita $40,958<ref name="imf2">{{#invoke:citation/CS1|citation

|CitationClass=web

}}</ref> (28th)
GDP (nominal) 2015 estimate
 -  Total $2.865 trillion (5th)
 -  Per capita $44,118<ref name="imf2"/> (19th)
Gini (2012)positive decrease 32.8<ref name="eurogini">{{#invoke:citation/CS1|citation

|CitationClass=web

}}</ref>
medium · 33rd
HDI (2013)Steady 0.892<ref name="HDI">{{#invoke:citation/CS1|citation

|CitationClass=web

}}</ref>
very high · 14th
Currency Pound sterling (£) (GBP)
Time zone GMT (UTC​)
 -  Summer (DST) BST (UTC+1)
Date format dd/mm/yyyy (AD)
Drives on the left
Calling code +44
ISO 3166 code GB
Internet TLD .uk

The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain,Unknown extension tag "ref" is a sovereign state in Europe. Lying off the north-western coast of the European mainland, it includes the island of Great Britain—a term also applied loosely to refer to the whole country—the north-eastern part of the island of Ireland and many smaller islands.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> Northern Ireland is the only part of the UK that shares a land border with another state—the Republic of Ireland.<ref group="nb">Although Northern Ireland is the only part of the UK that shares a land border with another state, two of its Overseas Territories also share land borders with other states. Gibraltar shares a border with Spain, while the Sovereign Base Areas of Akrotiri and Dhekelia share borders with the Republic of Cyprus, Turkish Republic of Northern Cyprus and UN buffer zone separating the two Cypriot polities.</ref> Apart from this land border, the UK is surrounded by the Atlantic Ocean, with the North Sea to its east, the English Channel to its south and the Celtic Sea to its south-southwest. The Irish Sea lies between Great Britain and Ireland. The country has an area of {{safesubst:#invoke:convert|convert}}, making it the 80th-largest sovereign state in the world and the 11th-largest in Europe.

The United Kingdom is the 22nd-most populous country, with an estimated 64.5 million inhabitants.<ref name="imf2"/> It is a constitutional monarchy with a parliamentary system of governance.<ref>The British Monarchy, What is constitutional monarchy?. Retrieved 17 July 2013</ref><ref>CIA, The World Factbook. Retrieved 17 July 2013</ref> Its capital city is London, an important global city and financial centre with an urban population of 10,310,000, the fourth-largest in Europe and second-largest in the European Union.<ref>The 30 Largest Urban Agglomerations Ranked by Population Size at Each Point in Time, 1950-2030, World Urbanization Prospects, the 2014 revision, Population Division of the United Nations Department of Economic and Social Affairs. Retrieved 22 February 2015.</ref> The current monarch—since 6 February 1952—is Queen Elizabeth II. The UK consists of four countries: England, Scotland, Wales, and Northern Ireland.<ref name="page823">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> The latter three have devolved administrations,<ref name="devoladmins">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> each with varying powers,<ref>{{#invoke:citation/CS1|citation |CitationClass=news }}</ref><ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> based in their capitals, Edinburgh, Cardiff, and Belfast, respectively. The nearby Isle of Man, Bailiwick of Guernsey and Bailiwick of Jersey are not part of the United Kingdom, being Crown dependencies with the British Government responsible for defence and international representation.<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref>

The relationships among the countries of the United Kingdom have changed over time. Wales was annexed by the Kingdom of England under the Acts of Union of 1536 and 1543. A treaty between England and Scotland resulted in 1707 in a unified Kingdom of Great Britain, which merged in 1801 with the Kingdom of Ireland to form the United Kingdom of Great Britain and Ireland. In 1922, five-sixths of Ireland seceded from the country, leaving the present formulation of the United Kingdom of Great Britain and Northern Ireland.<ref group="nb">The Anglo-Irish Treaty was signed on 6 December 1921 to resolve the Irish War of Independence. Effective one year later, it established the Irish Free State as a separate dominion within the Commonwealth. The UK's current name was adopted in 1927 to reflect the change.</ref> The UK has fourteen Overseas Territories.<ref name=overseasterrirories>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> These are the remnants of the British Empire which, at its height in the 1920s, encompassed almost a quarter of the world's land mass and was the largest empire in history. British influence can be observed in the language, culture, and legal systems of many of its former colonies.

The United Kingdom is a developed country and has the world's fifth-largest economy by nominal GDP and tenth-largest economy by purchasing power parity. The UK is considered to have a high-income economy and is categorised as very high in the Human Development Index, currently ranking 14th in the world. It was the world's first industrialised country and the world's foremost power during the 19th and early 20th centuries.<ref>{{#invoke:citation/CS1|citation |CitationClass=book }}</ref><ref name="ferguson">{{#invoke:citation/CS1|citation |CitationClass=book }}</ref> The UK remains a great power with considerable economic, cultural, military, scientific, and political influence internationally.<ref>{{#invoke:citation/CS1|citation |CitationClass=book }} Accordingly, the great powers after the Cold War are Britain, China, France, Germany, Japan, Russia, and the United States p.59</ref><ref name="David M. McCourt">{{#invoke:citation/CS1|citation |CitationClass=book }}</ref> It is a recognised nuclear weapons state and its military expenditure ranks fifth or sixth in the world.<ref name="SIPRI">{{#invoke:citation/CS1|citation |CitationClass=web }}</ref><ref name="iiss.org">The Military Balance 2014: Top 15 Defence Budgets 2013 (IISS)</ref> The UK has been a permanent member of the United Nations Security Council since its first session in 1946. It has been a member state of the European Union (EU) and its predecessor, the European Economic Community (EEC), since 1973; it is also a member of the Commonwealth of Nations, the Council of Europe, the G7 finance ministers, the G7 forum, the G20, NATO, the Organisation for Economic Co-operation and Development (OECD), and the World Trade Organization (WTO).


United Kingdom sections
Intro  Etymology and terminology  History  Geography  Dependencies  Politics  Economy  Demographics  Culture  See also  Notes  References  Further reading  External links  

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