United Kingdom of Great Britain, Hanover, and Ireland

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United Kingdom of Great Britain, Hanover, and Ireland

Flag of UK / U.K.
Flag
Coat of arms of UK / U.K.
Coat of arms

Location of UK / U.K.
Capital
and largest city
London
National languageEnglish (de facto)
Regional and minority languages
Ethnic groups
(2023)
87.2% White
5.1% Asian
3.2% Not stated
2.2% Black
1.3% Other
1.0% Mixed
Religion
(2023)
Demonym(s)
Constituent countries
GovernmentUnitary[1] parliamentary constitutional monarchy
• Monarch
Alexandra
Keir Starmer
Jacqueline Carter
Lindsay Hoyle
The Lord Reed of Allermuir
LegislatureParliament
House of Lords
House of Commons
Formation
1535 and 1542
24 March 1603
1 May 1707
1 January 1801
22 January 1912
20 November 1924
Area
• Total
360,382 km2 (139,144 sq mi) (63rd)
• Water (%)
3.60
Population
• Estimate
81,256,324 (20th)
• Density
225/km2 (582.7/sq mi) (68th)
GDP (PPP)2023 estimate
• Total
$5.745 trillion (5th)
• Per capita
$70,702 (15th)
GDP (nominal)2023 estimate
• Total
$4.879 trillion (3rd)
• Per capita
$60,044 (12th)
Gini (2023)Positive decrease 30.1
medium
HDI (2023)Increase 0.940
very high · 15th
CurrencyPound sterling (GBP)
Time zoneUTC+1
Driving sideleft
Calling code+44
Internet TLD.uk
  1. Although the United Kingdom has traditionally been seen as a unitary state, an alternative description of the UK as a "union state", put forward by, among others, Vernon Bogdanor, has become increasingly influential since the adoption of devolution in the 1990s. A union state is considered to differ from a unitary state in that while it maintains a central authority it also recognises the authority of historic rights and infrastructures of its component parts.