European Union

The European Union is a supranational political and economic alliance of 27 member states that spans across Europe, covering 4,233,255 km² and serving over 449 million citizens[1].

Economic Impact

The EU generates approximately US$16.6 trillion in nominal GDP, representing one-sixth of the global economy with just 5.8% of the world’s population[1]. Every EU member state except Bulgaria maintains a very high Human Development Index, showcasing the union’s robust social development[1].

Core Principles

The EU’s cornerstone is its Customs Union, which established a single market with standardized laws across member territories. This framework ensures free movement of people, goods, services, and capital[1]. The Schengen Area eliminates passport controls between participating countries, while the eurozone unifies 20 member states under a single currency[1].

Historical Evolution

Foundation Years

The EU’s roots trace back to 1948 with the Inner Six states: Belgium, France, Italy, Luxembourg, the Netherlands, and West Germany[1]. The Maastricht Treaty officially established the EU in 1993, while the Treaty of Lisbon in 2009 gave it legal personality[1].

Modern Development

The union expanded through multiple accessions from 1973 to 2013, growing both in size and authority[1]. In 2012, the EU received the Nobel Peace Prize for advancing peace and human rights in Europe[1]. The United Kingdom became the first nation to exit the EU in 2020[1].

Current Challenges

Economic Recovery

The COVID-19 pandemic prompted the creation of the Next Generation EU recovery package, worth €750 billion, marking the first instance of common debt creation[1]. This initiative operates from 2021 to 2026, integrated with the EU’s regular budget framework[1].

Geopolitical Response

Following Russia’s invasion of Ukraine in 2022, the EU implemented substantial sanctions and provided military aid through the European Peace Facility[1]. The conflict’s economic impact has sparked concerns about potential policy shifts in the upcoming 2024 elections[1].

Future Outlook

The EU aims to expand to over 35 member states by 2030, necessitating institutional and budgetary reforms[1]. This ambitious enlargement plan represents the union’s continuing evolution as a global political and economic force.

Citations:
https://en.wikipedia.org/wiki/European_Union

European_Union (Wikipedia)

"EU" redirects here. For other uses, see EU (disambiguation).

The European Union (EU) is a political and economic union of 27 member states that are located primarily in Europe. The supranational union has a total area of 4,233,255 km² (1,634,469 sq mi), an estimated population of approximately 451 million (2025), and the EU member states generated a nominal gross domestic product (GDP) of around €18.802 trillion (2025), accounting for approximately one sixth of global economic output. The EU is often described as a sui generis political entity combining characteristics of both a federation and a confederation.

European Union (in other official languages) Bulgarian Европейски съюз Czech Evropská unie Danish Den Europæiske Union German Europäische Union Greek Ευρωπαϊκή Ένωση Spanish Unión Europea Estonian Euroopa Liit Finnish Euroopan unioni French Union européenne Irish An tAontas Eorpach Croatian Europska unija Hungarian Európai Unió Italian Unione europea Lithuanian Europos Sąjunga Latvian Eiropas Savienība Maltese Unjoni Ewropea Dutch Europese Unie Polish Unia Europejska Portuguese União Europeia Romanian Uniunea Europeană Slovak Európska únia Slovene Evropska unija Swedish Europeiska unionen
Flag
Motto: "In Varietate Concordia" (Latin) "United in Diversity"
Anthem: "European Anthem"
Show globe Show special territories Location of the European Union (dark green) in Europe (dark grey)
Institutional seats	Brussels Commission European Council Council of the EU Parliament (secondary) Frankfurt Central Bank Luxembourg Court of Auditors Court of Justice Council of the EU (April, June and October sessions) Secretariat of the Parliament Commission (various departments and services) Strasbourg Parliament
Largest metropolis	Paris
Official languages	24 languages
Official scripts	Latin Greek Cyrillic
Religion (2015)	71.6% Christianity 45.3% Catholic 11.1% Protestant 9.6% Eastern Orthodox 5.6% other Christian 24.0% no religion 1.8% Islam 2.6% other
Demonym	European
Type	Supranational union
Membership	27 members Austria Belgium Bulgaria Croatia Cyprus Czech Republic Denmark Estonia Finland France Germany Greece Hungary Ireland Italy Latvia Lithuania Luxembourg Malta Netherlands Poland Portugal Romania Slovakia Slovenia Spain Sweden
Government	Mixed supranational and intergovernmental directorial parliamentary confederation
• President of the European Council	António Costa
• President of the European Commission	Ursula von der Leyen
• Presidency of the Council of the European Union	Cyprus
• President of the European Parliament	Roberta Metsola
Legislature	European Parliament • Council of the European Union
Formation
• Treaty of Paris	23 July 1952
• Treaty of Rome	1 January 1958
• Single European Act	1 July 1987
• Treaty of Maastricht	1 November 1993
• Treaty of Lisbon	1 December 2009
Area
• Total	4,225,104 km2 (1,631,322 sq mi) (incl. outermost regions)
• Water (%)	2.93
Population
• 2025 estimate	450,646,971
• 2021 census	443,883,877
• Density	106.7/km2 (276.4/sq mi)
GDP (PPP)	2026 estimate
• Total	$30.678 trillion
• Per capita	$67,957
GDP (nominal)	2026 estimate
• Total	$23.035 trillion
• Per capita	$51,027
Gini (2024)	29.3 low inequality
Currency	Euro (€) (EUR) Others Czech koruna (CZK) Danish krone (DKK) Hungarian forint (HUF) Polish złoty (PLN) Romanian leu (RON) Swedish krona (SEK)
Time zone	UTC to UTC+2 (WET, CET, EET)
• Summer (DST)	UTC+1 to UTC+3 (WEST, CEST, EEST)
	(see also Summer time in Europe)
Internet TLD	.eu, .ευ, .ею
Website european-union.europa.eu

Its cornerstone, the Customs Union, paved the way to establishing an internal single market based on standardised legal framework and legislation that applies in all member states in those matters, and only those matters, where the states have agreed to act as one. EU policies aim to ensure the free movement of people, goods, services and capital within the internal market; enact legislation in justice and home affairs; and maintain common policies on trade, agriculture, fisheries, and regional development.

Passport controls have been abolished for travel within the Schengen Area. The eurozone is a group composed of the 21 EU member states that have fully implemented the EU's economic and monetary union and use the euro currency. Through the Common Foreign and Security Policy, the union has developed a role in external relations and defence. It maintains permanent diplomatic missions throughout the world and represents itself at the United Nations, the World Trade Organization, the G7 and the G20. In 2012, the EU was awarded the Nobel Peace Prize.

The EU was established, along with its citizenship, when the Maastricht Treaty came into force in 1993, and was incorporated as an international legal juridical person^{[clarification needed]} upon entry into force of the Treaty of Lisbon in 2009. Its beginnings can be traced to the Inner Six states (Belgium, France, Italy, Luxembourg, the Netherlands, and West Germany) at the start of modern European integration in 1948, and to the Western Union, the International Authority for the Ruhr, the European Coal and Steel Community, the European Economic Community and the European Atomic Energy Community, which were established by treaties. These increasingly amalgamated bodies grew, with their legal successor the EU, both in size through the accessions of a further 22 states from 1973 to 2013, and in power through acquisitions of policy areas. In 2020, the United Kingdom became the only member state to leave the EU; ten countries are aspiring or negotiating to join it.