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European integration

European integration is the process of political, legal, social, regional and economic integration of states wholly or partially in Europe, or nearby. European integration has primarily but not exclusively come about through the European Union and its policies, and can include cultural assimilation and centralisation.

The history of European integration is marked by the Roman Empire's consolidation of European and Mediterranean territories, which set a precedent for the notion of a unified Europe. This idea was echoed through attempts at unity, such as the Holy Roman Empire, the Hanseatic League, and the Napoleonic Empire. The devastation of World War I reignited the concept of a unified Europe, leading to the establishment of international organizations aimed at political coordination across Europe. The interwar period saw politicians such as Richard von Coudenhove-Kalergi and Aristide Briand advocating for European unity, albeit with differing visions.

Post-World War II Europe saw a significant push towards integration, with Winston Churchill's call for a "United States of Europe" in 1946 being a notable example. This period saw the formation of theories around European integration, categorizing into proto-integration, explaining integration, analyzing governance, and constructing the EU, reflecting a shift from viewing European integration as a unique process, to incorporating broader international relations and comparative politics theories.

Citizens' organizations have played a role in advocating further European integration, exemplified by the Union of European Federalists and the European Movement International. Various agreements and memberships demonstrate the web of relations and commitments between European countries, showing the multi-layered nature of integration.

History

In antiquity, the Roman Empire brought about integration of multiple European and Mediterranean territories. The numerous subsequent claims of succession of the Roman Empire, even the iterations of the Classical Empire and its ancient peoples, have occasionally been reinterpreted in the light of post-1950 European integration as providing inspiration and historical precedents. Important examples include the Holy Roman Empire, the Hanseatic League, the Peace of Westphalia, the Napoleonic Empire, and the unification of Germany, Italy, and the Balkans as well as the Latin Monetary Union.

A 1928 Europa coin for the hypothetical "Federated States of Europe" (États fédérés d'Europe)

Following the catastrophe of the First World War of 1914–1918, thinkers and visionaries from a range of political traditions again began to float the idea of a politically unified Europe. In the early 1920s a range of international organisations were founded (or re-founded) to help like-minded political parties to coordinate their activities. These ranged from the Comintern (1919), to the Labour and Socialist International (1921) to the Radical and Democratic Entente of centre-left progressive parties (1924), to the Green International of farmers' parties (1923), to the centre-right International Secretariat of Democratic Parties inspired by Christianity (1925).[1] While the remit of these international bodies was global, the predominance of political parties from Europe meant that they facilitated interaction between the adherents of a given ideology across European borders. Within each political tradition, voices emerged advocating not merely the cooperation of various national parties, but the pursuit of political institutions at the European level.

One of the first to articulate this view was Richard von Coudenhove-Kalergi, who outlined a conservative vision of European unity in his Pan-Europa manifesto (1923).[2] The First Paneuropean Congress took place in Vienna in 1926, and the association possessed 8000 members by the time of the 1929 Wall Street crash. They envisaged a specifically Christian, and by implication Catholic, Europe. The British civil-servant and future Conservative minister Arthur Salter published a book advocating The United States of Europe in 1933.[3]

In contrast the Soviet commissar (minister) Leon Trotsky raised the slogan "For a Soviet United States of Europe" in 1923, advocating a Europe united along communist principles.[4]

Among liberal-democratic parties, the French centre-left undertook several initiatives to group like-minded parties from the European states. In 1927, the French mathematician and politician Émile Borel, a leader of the centre-left Radical Party and the founder of the Radical International, set up a French Committee for European Cooperation, and a further twenty countries set up equivalent committees. However, it remained an élite venture: the largest committee, the French one, possessed fewer than six-hundred members, two-thirds of them parliamentarians.[5] Two centre-left French prime ministers went further. In 1929 Aristide Briand gave a speech in the presence of the League of Nations Assembly in which he proposed the idea of a federation of European nations based on solidarity and in the pursuit of economic prosperity and political and social co-operation. In 1930, at the League's request, Briand presented a Memorandum on the organisation of a system of European Federal Union.[6] The next year the future French prime minister Édouard Herriot published his book The United States of Europe. Indeed, a template for such a system already existed, in the form of the 1921 Belgian and Luxembourgish customs and monetary union.

Support for the proposals by the French centre-left came from a range of prestigious figures. Many eminent economists, aware that the economic race-to-the-bottom between states was creating ever-greater instability, supported the view: these included John Maynard Keynes. The French political scientist and economist Bertrand Jouvenel remembered a widespread mood after 1924 calling for a "harmonisation of national interests along the lines of European union, for the purpose of common prosperity".[7] The Spanish philosopher and politician, Ortega y Gasset, expressed a position shared by many within Republican Spain: "European unity is no fantasy, but reality itself; and the fantasy is precisely the opposite: the belief that France, Germany, Italy or Spain are substantive & independent realities."[8] Eleftherios Venizelos, Prime Minister of Greece, outlined his government's support in a 1929 speech by saying that "the United States of Europe will represent, even without Russia, a power strong enough to advance, up to a satisfactory point, the prosperity of the other continents as well".[9]

Between the two world wars, the Polish statesman Józef Piłsudski (1867–1935) envisaged the idea of a European federation that he called Międzymorze ("Intersea" or "Between-seas"), known in English as Intermarium, which was a Polish-oriented version of Mitteleuropa.

The Great Depression, the rise of fascism and communism and subsequently World War II prevented[citation needed] the inter-war movements from gaining further support: between 1933 and 1936 most of Europe's remaining democracies became dictatorships, and Ortega's Spain and Venizelos's Greece had both plunged into civil war. But although the social-democratic, liberal or Christian-democratic supporters of European unity were out of power during the 1930s and unable to put their ideas into practice, many would find themselves in power in the 1940s and 1950s, and better-placed to put into effect their earlier remedies against economic and political crisis.

During World War II (1939–1945) Nazi Germany came to dominate – directly or indirectly – much of Europe at various times. The plans for German-oriented political, social, and economic integration of Europe – such as the New Order, the Greater Germanic Reich and Generalplan Ost – did not survive the war.

At the end of World War II, the continental political climate favoured unity in democratic European countries, seen by many as an escape from the extreme forms of nationalism which had devastated the continent.[10] In a speech delivered on 19 September 1946 at the University of Zürich in Switzerland, Winston Churchill postulated a United States of Europe.[11] The same speech however contains remarks, less-often quoted, which make it clear that Churchill did not initially see Britain as being part of this United States of Europe:

We British have our own Commonwealth of Nations ... And why should there not be a European group which could give a sense of enlarged patriotism and common citizenship to the distracted peoples of this turbulent and mighty continent and why should it not take its rightful place with other great groupings in shaping the destinies of men? ... France and Germany must take the lead together. Great Britain, the British Commonwealth of Nations, mighty America[,] and I trust Soviet Russia—for then indeed all would be well—must be the friends and sponsors of the new Europe and must champion its right to live and shine. We must build a kind of United States of Europe. In this way only, will hundreds of millions of toilers be able to regain the simple joys and hopes which make life worth living.

— Winston Churchill[12]

Theories of integration

European integration scholars Thomas Diez and Antje Wiener identify the general tendencies in the development of European integration theory and suggest to divide theories of integration into three broad phases, which are preceded by a normative proto-integration theory period.[13] There's a gradual shift from theories studying European integration as sui generis towards new approaches that incorporate theories of International Relations and Comparative politics.[14]

Proto-integration period

The question of how to avoid wars between the nation-states was essential for the first theories. Federalism and functionalism proposed the containment of the nation-state, while transactionalism sought to theorise the conditions for the stabilisation of the nation-state system. Early federalism was more like a political movement calling for European federation by various political actors, for example, Altiero Spinelli calling for a federal Europe in his Ventotene Manifesto, and Paul Valéry envisioning European civilization for unity.[15] State sovereignty was an issue for federalists who hoped political organizations at higher regional level would solve the issue.[13] A representative scholar of functionalism was David Mitrany, who also saw states and their sovereignty as a core problem and believed that one should restrain states to prevent future wars. However, Mitrany disagreed with regional integration as he viewed it as mere replication of the state-model.[13] Transactionalism, on the other hand, sees increased cross-border exchanges as promoting regional integration so that the risk of war is reduced.[16]

First phase: explaining integration, 1960s onwards

European integration theory initially focused on explaining integration process of supranational institution-building.[13] One of the most influential theories of European integration is neofunctionalism, influenced by functionalist ideas, developed by Ernst B. Haas (1958) and further investigated by Leon Lindberg (1963). This theory focuses on spillovers of integration, where well-integrated and interdependent areas led to more integration.[17][18] Neofunctionalism well captures the spillover from the European Coal and Steel Community to the European Economic Community established in the 1957 Treaties of Rome. Transfers of loyalties from the national level to the supranational level is expected to occur as integration progresses.[19]

The other big influential theory in Integration Studies is Intergovernmentalism, advanced by Stanley Hoffmann after the Empty Chair Crisis by French President Charles De Gaulle in the 1960s. Intergovernmentalism and later, Liberal Intergovernmentalism, developed in the 1980s by Andrew Moravcsik focus on governmental actors' impacts that are enhanced by supranational institutions but not restrained from them.[13] The important debate between neofunctionalism and (liberal) intergovernmentalism still remains central in understanding the development and setbacks of the European integration.

Second phase: analyzing governance, 1980s onwards

As the empirical world has changed, so have the theories and thus the understanding of European Integration. The second generation of integration theorists focused on the importance of institutions and their impacts on both integration process and European governance development.[13] The second phase brought in perspectives from comparative politics in addition to traditional International Relations theoretical references. Studies attempted to understand what kind of polity the EU is and how it operates.[13] For example, new theory multi-level governance (MLG) was developed to understand the workings and development of the EU.

Third phase: constructing the EU, 1990s onwards

The third phase of integration theory marked a return of International Relations theory with the rise of critical and constructivist approaches in the 1990s.[13] Perspectives from social constructivists, post-structuralists, critical theories, feminist theories are incorporated in integration theories to conceptualize European integration process of widening and deepening.[13]

Citizens' organisations calling for further integration

Various federalist organisations have been created over time supporting the idea of a federal Europe. These include the Union of European Federalists, the Young European Federalists, the European Movement International, the European Federalist Party, and Volt Europa. The Union of European Federalists (UEF) is a European non-governmental organisation, campaigning for a Federal Europe. It consists of 20 constituent organisations and it has been active at the European, national and local levels for more than 50 years. The European Movement International is a lobbying association that coordinates the efforts of associations and national councils with the goal of promoting European integration, and disseminating information about it. The European Federalist Party is a pro-European, pan-European and federalist political party which advocates further integration of the EU and the establishment of a Federal Europe. Its aim is to gather all Europeans to promote European federalism and to participate in all elections all over Europe. It has national sections in 15 countries. Volt Europa is a pan-European and European federalist political movement that also serves as the pan-European structure for subsidiary parties in EU member states. It is present in 29 countries and participates in elections all over the EU on the local, national and European level.

Overlap of membership in various agreements

European Political CommunitySchengen AreaCouncil of EuropeEuropean UnionEuropean Economic AreaEurozoneEuropean Union Customs UnionEuropean Free Trade AssociationNordic CouncilVisegrád GroupBaltic AssemblyBeneluxGUAM Organization for Democracy and Economic DevelopmentCentral European Free Trade AgreementOrganization of the Black Sea Economic CooperationUnion StateCommon Travel AreaInternational status and usage of the euro#Sovereign statesSwitzerlandLiechtensteinIcelandNorwaySwedenDenmarkFinlandPolandCzech RepublicHungarySlovakiaBulgariaRomaniaGreeceEstoniaLatviaLithuaniaBelgiumNetherlandsLuxembourgItalyFranceSpainAustriaGermanyPortugalCroatiaSloveniaMaltaCyprusRepublic of IrelandUnited KingdomMonacoAndorraSan MarinoVatican CityTurkeyGeorgia (country)UkraineAzerbaijanMoldovaSerbiaBosnia and HerzegovinaArmeniaAlbaniaNorth MacedoniaMontenegroKosovoRussiaBelarus
An Euler diagram showing the relationships between various multinational European organisations and agreements

There are various agreements with overlapping membership. Several countries take part in a larger number of agreements than others.

Common membership of member states of the European Union

Each member state of the European Union (EU) is:

  1. a member state of the:
  2. home to organizations that are members of the:
  3. home to organisations that are members, associated partners or observers of the
  4. located in the European Broadcasting Area (EBA)

Membership in European Union agreements

  EU, Schengen, EMU, AFSJ (All agreements): 18 c.
  EU, Schengen, AFSJ: 6 c.
  EU, EMU, AFSJ: 1 c.
  EU, Schengen: 1 c.
  EU, EMU: 1 c.
  EEA, Schengen: 3 c.
  Schengen, Bilateral treaties: 1 c.
  Candidates, some agreements: 9 c.
  Microstates, some agreements: 4 c.
  Association Agreement: 1 c.
  some agreements: 0 c.

A small group of EU member states have joined all European treaties, instead of opting out on some. They drive the development of a federal model for the European integration. This is linked to the concept of Multi-speed Europe where some countries would create a core union; and goes back to the Inner Six references to the founding member states of the European Communities.

At present, the formation of a formal Core Europe Federation ("a federation within the confederation") has been held off at every occasion where such a federation treaty had been discussed.[citation needed] Instead, supranational institutions are created that govern more areas in "Inner Europe" than existing European integration provides for.

Among the 27 EU state members, 18 states have signed all integration agreements: Austria, Belgium, Croatia, Finland, Estonia, France, Germany, Greece, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Portugal, Slovakia, Slovenia and Spain. The agreements considered include the fifth stage of economic integration or EMU, the Schengen agreement, and the Area of freedom, security and justice (AFSJ).

Thus, among the 27 EU countries, 20 have joined the Eurozone, 25 have joined Schengen, and also 25 have no opt-outs under AFSJ.

Further, some countries which do not belong to the EU have joined several of these initiatives, albeit sometimes at a lower stage such as the Customs Union, the Common Market (EEA), or even unilaterally adopting the euro, and by taking part in Schengen, either as a signatory state, or de facto.

Thus, 6 non-EU countries have adopted the euro (4 through an agreement with the EU and 2 unilaterally), and 4 non-EU states have joined the Schengen agreement officially.

The following table shows the status of each state membership to the different agreements promoted by the EU. It lists 47 countries, including the 27 EU member states, 9 candidate states, 3 members of the EEA and Switzerland, Kosovo which has applied for membership, 4 microstates, and the United Kingdom and Armenia as special cases.

Hence, this table summarises some components of EU laws applied in most European states. Some territories of EU member states also have a special status in regard to EU laws applied. Some territories of EFTA member states also have a special status in regard to EU laws applied as is the case with some European microstates. For member states that do not have special-status territories the EU law applies fully with the exception of the opt-outs in the European Union and states under a safeguard clause or alternatively some states participate in enhanced co-operation between a subset of the EU members. Additionally, there are various examples of non-participation by some EU members and non-EU states participation in particular Agencies of the European Union, the programmes for European Higher Education Area, European Research Area and Erasmus Mundus.

European Union Agreements
State Map EU EEA Customs Union Schengen EMU (Euro) AFSJ
Austria Austria Yes Yes Yes Yes Yes Yes
Belgium Belgium Yes Yes Yes Yes Yes Yes
Croatia Croatia Yes Yes Yes Yes Yes Yes
Estonia Estonia Yes Yes Yes Yes Yes Yes
Finland Finland Yes Yes Yes Yes Yes Yes
France France Yes Yes Yes Yes Yes Yes
Germany Germany Yes[20] Yes Yes Yes Yes Yes
Greece Greece Yes Yes Yes Yes Yes Yes
Italy Italy Yes Yes Yes Yes Yes Yes
Latvia Latvia Yes Yes Yes Yes Yes Yes
Lithuania Lithuania Yes Yes Yes Yes Yes Yes
Luxembourg Luxembourg Yes Yes Yes Yes Yes Yes
Malta Malta Yes Yes Yes Yes Yes Yes
Netherlands Netherlands Yes Yes Yes Yes Yes Yes
Portugal Portugal Yes Yes Yes Yes Yes Yes
Slovakia Slovakia Yes Yes Yes Yes Yes Yes
Slovenia Slovenia Yes Yes Yes Yes Yes Yes
Spain Spain Yes Yes Yes Yes Yes Yes
Bulgaria Bulgaria Yes Yes Yes Yes ERM II Yes
Czech Republic Czech Republic Yes Yes Yes Yes Obliged to join Yes
Hungary Hungary Yes Yes Yes Yes Obliged to join Yes
Poland Poland Yes Yes Yes Yes Obliged to join CFR partial opt-out
Romania Romania Yes Yes Yes Yes Obliged to join Yes
Sweden Sweden Yes Yes Yes Yes Obliged to join Yes
Cyprus Cyprus Yes Yes Yes Obliged to join Yes Yes
Denmark Denmark Yes Yes Yes Yes Opt-out, ERM II Opt-out
Republic of Ireland Ireland Yes Yes Yes Opt-out, Visa Free Yes Opt-out (Opt-in)
Liechtenstein Liechtenstein No Yes No (Swiss-Liecht CU) Yes No No
Norway Norway Applications withdrawn[21] Yes No Yes No No
Iceland Iceland Applications withdrawn[22] Yes No Yes No No
Switzerland Switzerland Application withdrawn[23] Bilateral treaties[24] No (Swiss-Liecht CU) Yes No No
Albania Albania Candidate No, EC, ECAA No No, Visa Free No No
Bosnia and Herzegovina Bosnia and Herzegovina Candidate No, EC, ECAA No No, Visa Free No No
Georgia (country) Georgia Candidate No, EC, ECAA No No, Visa Free No No
Moldova Moldova Candidate No, EC, ECAA No No, Visa Free No No
Montenegro Montenegro Candidate No, EC, ECAA No No, Visa Free Unilaterally adopted No
North Macedonia North Macedonia Candidate No, EC, ECAA No No, Visa Free No No
Serbia Serbia Candidate No, EC, ECAA No No, Visa Free No No
Turkey Turkey Candidate No Customs Union[Note 1] No No No
Ukraine Ukraine Candidate No, EC, ECAA No No, Visa Free No No
Andorra Andorra No No Customs Union[Note 1] No, Visa Free Yes[Note 2] No
Monaco Monaco No No de facto, with France de facto, with France Yes[Note 2] No
San Marino San Marino No No Customs Union[Note 1] Open border Yes[Note 2] No
Vatican City Vatican City No No No Open border Yes[Note 2] No
Kosovo Kosovo Applicant, SAA signed No, EC, ECAA No No, Visa Free Unilaterally adopted No
Armenia Armenia No ( CEPA signed ) No, EC, ECAA No No No No
United Kingdom United Kingdom No (withdrew) No (withdrew) No No, Visa Free No No

Notes:

  1. ^ a b c In a customs union with the EU.[25][26][27][28]
  2. ^ a b c d Formal agreement with the EU to issue euros.

Most integrated countries

Map
Map of Eurozone and ERM II without opt-out

21 states are part of the Eurozone or in ERM II without Euro opt-out.

These are Austria, Belgium, Bulgaria, Croatia, Cyprus, Estonia, Finland, France, Germany, Greece, Italy, Ireland, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Portugal, Slovakia, Slovenia and Spain.

They are all members of or take part in:

Countries in the Eurozone or in ERM II without Euro opt-out
Eurozone since: 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 2001 2007 2008 2008 2009 2011 2014 2015 2023
Benelux/ WU/ WEU/ EC/ EU since: 1948 1948 1948 1948 1951 1951 1973 1986 1986 1995 1995 1981 2004 2004 2004 2004 2004 2004 2004 2013 2007
Rule not met EU only Comment Qty BE LU NL FR DE IT IE ES PT AT FI GR SI CY MT SK EE LV LT HR BG
 
Quantity total: 246 4 10 6 1 3 5 21 3 8 9 12 11 10 24 24 11 14 17 17 19 17
Eurozone yes BG meets the requirement to be two years in ERM II and coin design is approved
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
PESCO yes
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0
is a member state of the Council of Europe Development Bank no
1 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0
did implement the EUCARIS system no PT is preparing, AT is not party to the EUCARIS Treaty (2000) as such
1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0
European Public Prosecutor's Office (EPPO) yes
1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0
AFSJ yes IE has flexible opt-in
1 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0
uses UIC gauge for existing or planned high-speed rail no
1 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0
is part of EUMETNET no BG is a partner state
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
is a member state of the European Inland Fisheries and Aquaculture Advisory Commission (EIFAAC) no
1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0
Schengen Agreement no IE has an opt-out, CY is committed to join
2 0 0 0 0 0 0 1 0 0 0 0 0 0 1 0 0 0 0 0 0 0
is party to the Revised European Social Charter no
2 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0
did sign the Agreement on a Unified Patent Court yes
2 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0
Istanbul Convention no SK, LT, BG signed but not ratified
3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 1
is a member of European Molecular Biology Laboratory (EMBL) no BG has been a prospect member since 2024
3 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 1
does use the Latin script for the main language resulting in "EURO" on Euro banknotes yes GR,CY use Greek "ΕΥΡΩ", BG uses Cyrillic "ЕВРО"
3 0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 0 0 0 1
is a member of the International Whaling Commission no
3 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 0 0 0
does use an Indo-European language as the main language no EE, FI finno-ugric, MT semitic
3 0 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 1 0 0 0 0
right hand traffic no
3 0 0 0 0 0 0 1 0 0 0 0 0 0 1 1 0 0 0 0 0 0
OECD no BG and HR are applicants
4 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 1 1
did join the RG Continental Europe of the European Network of Transmission System Operators for Electricity, managing the synchronous grid of Continental Europe (UCTE) no
4 0 0 0 0 0 0 1 0 0 0 1 0 0 1 1 0 0 0 0 0 0
Finabel no
4 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 1 0 1 0 0
NATO no
4 0 0 0 0 0 0 1 0 0 1 0 0 0 1 1 0 0 0 0 0 0
Property regimes of international couples ?
5 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 1 1 1 0 0
is a member state of the International Energy Agency no
5 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 1 1
is a member state of the Nuclear Energy Agency (NEA) no

6 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 1 1 1 1 0
is part of European Centre for Medium-Range Weather Forecasts (ECMWF) no SK, LV, LT, BG signed a co-operation agreement, MT, CY not
6 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 1 1 0 1
does participate in the European Union Divorce Law Pact yes
6 0 0 1 0 0 0 1 0 0 0 1 0 0 1 0 1 0 0 0 1 0
did sign the Declaration 52 on symbols of the European Union yes
6 0 0 1 0 0 0 1 0 0 0 1 0 0 0 0 0 1 1 0 1 0
is member of the European Space Agency (ESA) no LV, LT, SK are associates
7 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 1 1 1 1
does have 1435 mm UIC standard gauge as the main railway track gauge if it does have operational railway no PT, ES use 1668 mm Iberian gauge, EE, LV, LT use 1520 mm Russian gauge, FI uses 1524 mm Russian gauge, IE uses 1600 mm; (CY, MT without operational railway)
7 0 0 0 0 0 0 1 1 1 0 1 0 0 0 0 0 1 1 1 0 0
did ratify the Oviedo Convention no LU, NL, IT signed
8 1 1 1 0 1 1 1 0 0 1 0 0 0 0 1 0 0 0 0 0 0
is part of European Organization for Nuclear Research (CERN) no CY, SL are associate states in the pre-stage to membership. HR is an associate state
8 0 1 0 0 0 0 1 0 0 0 0 0 1 1 1 0 0 1 1 1 0
did sign the Prüm Convention yes
9 0 0 0 0 0 1 1 0 1 0 0 1 0 1 1 0 0 1 1 1 0
does use the Central European Time (CET) no PT, IE are in WET, the others in EET
9 0 0 0 0 0 0 1 0 1 0 1 1 0 1 0 0 1 1 1 0 1
European Sky Shield Initiative (ESSI) no
9 0 1 0 1 0 1 1 1 1 0 0 0 0 1 1 0 0 0 0 1 0
is party to the Treaty on Conventional Armed Forces in Europe no
10 0 0 0 0 0 0 1 0 0 1 1 0 1 1 1 0 1 1 1 1 0
is member of the International Council for the Exploration of the Sea no
10 0 1 0 0 0 1 0 0 0 1 0 1 1 1 1 1 0 0 0 1 1
does participate in the European Southern Observatory (ESO) no
11 0 1 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1
is member of the Paris Club no PT is an ad hoc participant
12 0 1 0 0 0 0 0 0 1 0 0 1 1 1 1 1 1 1 1 1 1
does participate in the Institut Laue–Langevin (ILL) no
14 1 1 1 0 0 0 1 0 1 0 1 1 0 1 1 0 1 1 1 1 1
does participate in the European Gendarmerie Force yes LT is an associate member
16 1 1 0 0 1 0 1 0 0 1 1 1 1 1 1 1 1 1 1 1 1
is a member state of the Eurocorps ? AT, GR, IT are associated states
16 0 0 1 0 0 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1
does participate in the European Maritime Force (Euromarfor or EMF) no
17 1 1 1 0 1 0 1 0 0 1 1 1 1 1 1 1 1 1 1 1 1

Geographic scope

For the purpose of this section Europe is defined as territories of countries:

  • completely inside geographic Europe
  • transcontinental countries (marked blue in the map: Russia, Kazakhstan, Georgia, Azerbaijan, Turkey)
  • culturally and geographically close (marked green in the map: Cyprus, Armenia)

Europe-centered but including countries outside Europe

Some agreements that are mostly related to countries of the European continent, are also valid in territories outside the continent.

Not listed below are agreements if their scope is beyond geographic Europe only because the agreement includes:

  • Territories of transcontinental countries: Russia, Kazakhstan, Turkey, Cyprus, Armenia, Azerbaijan and Georgia contain some territory in Europe and some in Asia
  • The EU uses bilateral Enhanced Partnership and Cooperation Agreements as an integration tool.[30]
  • Special territories of European countries, e.g. Special territories of member states of the European Union
  • Cyprus, which is a member of the Council of Europe and several other agreements

List:

Limited to Europe but not to regions within it

Limited to regions within geographic Europe

Several regional integration efforts have effectively promoted intergovernmental cooperation and reduced the possibility of regional armed conflict. Other initiatives have removed barriers to free trade in European regions, and increased the free movement of people, labour, goods, and capital across national borders.

Nordic countries

Since the end of the Second World War, the following organisations have been established in the Nordic region:

The Nordic Council and the Nordic Council of Ministers is a co-operation forum for the parliaments and governments of the Nordic countries created in February 1953. It includes the states of Denmark, Finland, Iceland, Norway and Sweden, and their autonomous territories (Greenland, Faroe Islands and Åland).

The Nordic Passport Union, created in 1954 but implemented on 1 May 1958, establishes free movement across borders without passports for the countries' citizens. It comprises Denmark, Sweden and Norway as foundational states; further, it includes Finland and Iceland since 24 September 1965, and the Danish autonomous territories of Faroe Islands since 1 January 1966.

Baltic Sea region

The following political and/or economic organisations have been in the Baltic region in the post-modern era:

The Baltic Assembly aims to promote co-operation between the parliaments of the Baltic states, namely the Republics of Estonia, Latvia and Lithuania. The organisation was planned in Vilnius on 1 December 1990, and the three nations agreed to its structure and rules on 13 June 1994.

The Baltic Free Trade Area (BAFTA) was a trade agreement between Estonia, Lithuania and Latvia. It was signed on 13 September 1993 and came into force on 1 April 1994. The agreement was later extended to apply also to agricultural products, effective from 1 January 1997. BAFTA ceased to exist when its members joined the EU on 1 May 2004.

The Council of the Baltic Sea States (CBSS) was founded in 1992 to promote intergovernmental cooperation among Baltic Sea countries in questions concerning economy, civil society development, human rights issues, and nuclear and radiation safety. It has 12 members including Denmark, Estonia, Finland, Germany, Iceland (since 1995), Latvia, Lithuania, Norway, Poland, Russia, Sweden and the European Commission.

In 2009 the European Council approved the EU Strategy for the Baltic Sea Region (EUSBSR) following a communication from the European Commission. The EUSBSR was the first macro-regional strategy in Europe. The Strategy aims to reinforce cooperation within the Baltic Sea Region, to address challenges together, and to promote balanced development in the Region. The Strategy contributes to major EU policies, including Europe 2020, and reinforces integration within the Region.[32]

Nordic-Baltic Eight

Low Countries region (Benelux)

Since the end of the First World War the following unions have been set in the Low Countries region:

The Benelux is an economic and political union between Belgium, the Netherlands, and Luxembourg. On 5 September 1944, a treaty establishing the Benelux Customs Union was signed. It entered into force in 1948, and ceased to exist on 1 November 1960, when it was replaced by the Benelux Economic Union after a treaty signed in The Hague on 3 February 1958. A Benelux Parliament was created in 1955.

The Belgium-Luxembourg Economic Union (BLEU) can be seen as a forerunner of the Benelux. BLEU was created by the treaty signed on 25 July 1921. It established a single market between both countries, while setting the Belgian franc and Luxembourgian franc at a fixed parity.

Black Sea region

Several regional organisations have been founded in the Black Sea region since the fall of the Soviet Union, such as:

The Organization of the Black Sea Economic Cooperation (BSEC) aims to ensure peace, stability and prosperity by encouraging friendly and good-neighbourly relations among the 12 state members, located mainly in the Black Sea region. It was created on 25 June 1992 in Istanbul, and entered into force on 1 May 1999. The 11 founding members were Albania, Armenia, Azerbaijan, Bulgaria, Georgia, Greece, Moldova, Romania, Russia, Turkey, and Ukraine. Serbia (then Serbia and Montenegro) joined in April 2004.

The GUAM Organization for Democracy and Economic Development is a regional organisation of four post-Soviet states, which aims to promote cooperation and democratic values, ensure stable development, enhance international and regional security, and stepping up European integration. Current members include the four founding ones, namely, Georgia, Ukraine, Azerbaijan, and Moldova. Uzbekistan joined in 1999, and left in 2005.

United Kingdom and Ireland

Since the end of the First World War, the following agreements have been signed in the United Kingdom and Ireland region:

The British–Irish Council was created by the Good Friday Agreement in 1998 to "promote the harmonious and mutually beneficial development of the totality of relationships among the peoples of these islands". It was formally established on 2 December 1999. Its membership comprises Ireland, the United Kingdom, three of the countries of the UK (Northern Ireland, Scotland and Wales), and three British Crown dependencies (Guernsey, the Isle of Man and Jersey). Because England does not have a devolved parliament, it is not represented on the council as a separate entity.

The Common Travel Area is a passport-free zone established in 1922 that comprises Ireland, the United Kingdom, the Isle of Man, Jersey and Guernsey. Under Irish law, all British citizens are exempt from immigration control and immune from deportation.[33] They are entitled to live in Ireland without any restrictions or conditions.[34] Under British law, Irish citizens are entitled to enter and live in the United Kingdom without any restrictions or conditions. They also have the right to vote, work, study and access welfare and healthcare services.[35][36]

In January 2020, the United Kingdom left the EU, reversing most aspects of its 40+ years of participation in EU integration. Ireland continues to remain an enthusiastic member of the Union and participates in some elements of the Schengen Agreement other than the common visa policy [a position likely to remain for as a long as Northern Ireland remains part of the United Kingdom]. The Common Travel Area continues to operate though, as of June 2022, other aspects of the relationship are encountering difficulties.

Central Europe

Flags of Visegrád Group countries

The following cooperation agreements have been signed in Central Europe:

The Visegrád Group is a Central-European alliance for cooperation and European integration, based on an ancient strategic alliance of core Central European countries. The Group originated in a summit meeting of Czechoslovakia, Hungary and Poland held in the Hungarian castle town of Visegrád on 15 February 1991. The Czech Republic and Slovakia became members after the dissolution of Czechoslovakia in 1993.

In 1989, the Central European Initiative, a forum of regional cooperation in Central and Eastern Europe with 18 member states, was formed in Budapest. The CEI headquarter