United Kingdom

World Book Index

Introduction

The United Kingdom, a nation steeped in rich history and cultural heritage, has long been a beacon of parliamentary democracy and a hub for advancements in literature and science. Once the heart of a vast empire that spanned continents, the UK has transformed itself into a modern and prosperous European nation following the dissolution of its empire. The establishment of the Scottish Parliament, the National Assembly for Wales, and the Northern Ireland Assembly in 1998 marked a significant evolution in its political landscape, reflecting the diverse identities and aspirations of its constituent nations. Today, the UK stands as a testament to resilience and adaptability in the face of changing global dynamics.

Neighboring countries

Belgium - Denmark - France - Germany - Ireland - Netherlands - Norway

Geography

Area
Total: 243,610 sq km
Land: 241,930 sq km
Water: 1,680 sq km

The United Kingdom is an island nation located off the northwestern coast of mainland Europe, comprising Great Britain, the northeastern part of the island of Ireland, and over 14,000 smaller islands. Its geographical diversity includes rolling hills, rugged coastlines, and urban landscapes, contributing to its unique character. The climate is predominantly temperate, influenced by the North Atlantic Current, which brings moderate temperatures and significant rainfall, resulting in overcast conditions for more than half of the year. The UK is endowed with a variety of natural resources, including coal, petroleum, natural gas, and various minerals, which have historically supported its industrial development and continue to play a vital role in its economy.

People and Society

Population
Total: 68,459,055 (2024 estimated)

Ethnic groups
White 87.2%, Black/African/Caribbean/black British 3%, Asian/Asian British: Indian 2.3%, Asian/Asian British: Pakistani 1.9%, mixed 2%, other 3.7% (2011 estimated)

Languages
English

Religions
Christian (includes Anglican, Roman Catholic, Presbyterian, Methodist) 59.5%, Muslim 4.4%, Hindu 1.3%, other 2%, unspecified 7.2%, none 25.7% (2011 estimated)

Population growth rate
0.45% (2024 estimated)

The United Kingdom is characterized by its multicultural society, shaped by centuries of immigration and integration. The population, estimated at over 68 million, is predominantly White, but it also includes significant communities of Black, Asian, and mixed ethnicities, reflecting the nation's colonial past and contemporary global connections. English is the primary language spoken, serving as a unifying medium in a linguistically diverse environment. The religious landscape is equally varied, with Christianity being the most practiced faith, alongside growing Muslim and Hindu communities. The population growth rate, although modest at 0.45%, indicates a gradual increase, influenced by both natural growth and immigration trends, which continue to enrich the social fabric of the nation.

Government

Government type
Parliamentary constitutional monarchy; a Commonwealth realm

Capital
Name: London

Executive branch
Chief of state: King CHARLES III (since 8 September 2022)
Head of government: Prime Minister Keir STARMER (since 5 July 2024)

Diplomatic representation in the US
Chief of mission: Ambassador (vacant); Chargé d'Affaires James ROSCOE (since 11 September 2025)

Diplomatic representation from the US
Chief of mission: Ambassador Warren A. STEPHENS (since 21 May 2025)

The United Kingdom operates under a parliamentary constitutional monarchy, where the monarch serves as the ceremonial head of state while the Prime Minister, currently Keir Starmer, leads the government. This system allows for a balance of power, with Parliament playing a crucial role in legislation and governance. London, the capital, is not only the political center but also a global city that influences international relations and economic policies. The UK maintains diplomatic missions worldwide, reflecting its commitment to global engagement and cooperation, particularly with the United States, where it has a significant diplomatic presence.

Economy

Economic overview
High-income, non-EU European economy; global financial center and dominant service sector; sluggish growth from stringent monetary policy, reduced business investment, low productivity and participation rates; fiscal austerity in face of high public debt

Real GDP (purchasing power parity)
$3.636 trillion (2024 estimated)
$3.596 trillion (2023 estimated)
$3.582 trillion (2022 estimated)

Real GDP per capita
$52,500 (2024 estimated)
$52,500 (2023 estimated)
$53,000 (2022 estimated)

Exports
$1.117 trillion (2024 estimated)
$1.078 trillion (2023 estimated)
$1.041 trillion (2022 estimated)

Exports - partners
USA 14%, China 8%, Germany 8%, Netherlands 7%, Ireland 7% (2023)

Exports - commodities
Cars, gold, gas turbines, packaged medicine, crude petroleum (2023)

Imports
$1.158 trillion (2024 estimated)
$1.114 trillion (2023 estimated)
$1.1 trillion (2022 estimated)

Imports - partners
China 13%, USA 11%, Germany 10%, France 5%, Norway 4% (2023)

Imports - commodities
Cars, gold, crude petroleum, refined petroleum, natural gas (2023)

The economy of the United Kingdom is classified as a high-income, non-EU European economy, with London serving as a global financial center. The service sector dominates the economy, contributing significantly to GDP and employment. However, the UK has experienced sluggish economic growth, attributed to stringent monetary policies, reduced business investments, and low productivity and participation rates. The fiscal landscape is characterized by austerity measures aimed at managing high public debt levels. In terms of trade, the UK exports a diverse range of commodities, including cars and gold, with the United States being its largest trading partner. Conversely, imports are also substantial, with China and the USA being key sources. The overall economic outlook remains cautious, with ongoing challenges that require strategic policy responses to foster sustainable growth.

Human Development Index

The country's Human Development Index (HDI) is 0.946, ranking it 13th out of 193 countries tested. (more information)

World Happiness Report

The World Happiness Report ranked the country 31st out of 158 countries tested with a score of 6.503. (more information)