Impact of Brexit on the European Union


The impact of Brexit on the European Union results in social and economic changes to the Union, but also longer term political and institutional shifts. The extent of these effects remain somewhat speculative until the precise terms of the United Kingdom's post-Brexit relationship with the EU becomes clear. With the EU's policies on freedom of movement and the economic benefits and drawbacks which the UK and the EU provide each other with, there is a clear impact with consequences for both institutions.

Size and wealth

In 2018, the UK had the fifth highest nominal GDP in the world and the second largest in the EU.
Brexit makes the EU population to decrease by 13% between 1 January 2019 and 1 january 2020 when without Brexit EU population would increase due to migration according to Eurostat.
Comparison Population
Area
Density

GDP
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European Union million trillion
European Union million trillion

Budget

The UK's contribution to the EU budget in 2016, after accounting for its rebate, was €19.4 billion. After removing about €7 billion that the UK receives in EU subsidies, the loss to the EU budget comes to about 5% of the total. Unless the budget is reduced, Germany seems likely to be asked to provide the largest share of the cash, its share estimated at about €2.5 billion.
, debate continues between those members who wish the budget to be limited to no more than 1% of members' combined GDP and those who want it to be 1.074%.

Policy changes

The UK was a major player in the EU which served as both an asset to the Union, but also a hindrance to those who supported a direction firmly opposed by the British government.

Ideological shift

As the EU's third most populous state, with over 12% of the Union's population, the UK was an influential player in the European Parliament and the Council of the European Union. Its absence will impact the ideological balance within the EU institutions.
In the Council, during the UK's membership there were two blocs, each capable of forming a blocking minority against the other: the protectionist bloc of mainly southern states and the liberal bloc of mainly northern states. As a member of the latter, the UK's departure will weaken the liberal bloc as the UK has been a sizeable and fervent proponent of an economically liberal Europe, larger trade deals with third countries and of further EU enlargement. While weakening the liberal bloc, it will also strengthen Germany's individual position in the Council through the loss of a key counterweight. However, Germany remains uneasy about this role lest other member states anxious of German dominance may be more tempted to ally against it.
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The UK was a key asset for the EU in the fields of foreign affairs and defence given that the UK was one of the EU's two major military powers, and has significant intelligence capabilities, soft power and a far reaching diplomatic network. Without the UK, EU foreign policy could be less influential. The US saw the UK as a bridge between the US and Europe, and the UK helped align the EU positions to the US and provide tougher policy towards Russia.
However, Brexit also produced new opportunities for the European defence cooperation, as the UK consistently vetoed moves in this direction, arguing it would undermine NATO. It attempted to do so again even after its withdrawal referendum, in relation to the establishment of a military HQ. With the UK's withdrawal and a feeling that the US under Donald J. Trump may not honour NATO commitments, the European Council has put defence cooperation as a major project in its Bratislava and Rome declarations and moved forward with setting up a European Defence Fund and activating Permanent Structured Cooperation.

Freedom of movement

is an integral part of EU policy and is a foundation of European Union ideals. In addition, the Schengen agreement removes the necessity for passports and visas for travel within the Schengen Area, thus allowing the free movement of people. This concept is designed to benefit the various member states' economy and society by allowing for business to thrive in Europe and also for the EU to be more culturally interconnected..

Eurozone

The relationship between euro and non-euro states has been on debate both during the UK's membership and in light of its withdrawal from the EU. The question is how Brexit might impact the balance of power between those in and out of the euro, namely avoiding a eurozone caucus out-voting non-euro states.
The UK had called for the EU treaties to be amended to declare the EU to be a "multi-currency union", which sparked concerns that to do so might undermine the progress of euro adoption in remaining countries.
Professor Simon Hix contended that Brexit would strengthen the Eurozone, which may well replace the single market as the EU's core and driving force. In the pre-referendum negotiation, David Cameron emphasised the importance of keeping the Eurozone clearly distinct from the EU. Following a British withdrawal, such pressure may well dissipate.

Economic impacts

Trade with UK

After Brexit, the EU becomes UK's biggest trading partner, and the UK becomes EU's third biggest trading partner after the United States and China.
After Brexit, the UK and the EU would become each other's biggest trading partner but some member states, notably Belgium, Cyprus, Ireland, Germany and the Netherlands, are more exposed to a Brexit-induced economic shock. The economy of the Republic of Ireland is particularly sensitive due to its common land border with the United Kingdom and its close agribusiness integration with Northern Ireland
The reintroduction of a customs border would have been economically and politically damaging to both sides, particularly because of the risk to the Northern Ireland peace process that a physical border presents. Despite protestations of good will on both sides, it was not obvious how border controls could have been avoided unless the UK has a Customs Union with the EU. Arising from the agreements made at the Phase 1 negotiations, any arrangements to be made to facilitate cross-border trade in Ireland will apply equally to cross-Channel trade but the details remain unclear. In October 2019, the UK and EU renegotiated the Northern Ireland Protocol of the draft Brexit Withdrawal Agreement so as to keep open the border in Ireland and to have a customs border between the island of Ireland and the island of Great Britain.
The sectors across the EU that would be most hit by the UK's withdrawal are motor vehicles and parts, electronics equipment and processed foods. Export of raw materials from the Ruhr valley would also be impacted.

Migration

The impact of this would be felt most on eastern European member states who have approximately 1.2 million workers in the UK by the end of 2015; the largest groups from Poland, Romania and Lithuania. A year after the Brexit vote, net annual immigration to the UK fell by 106,000 with most attributed to EU citizens leaving for other states, with the biggest drop among those from the western European states.
The Polish government is encouraging its young emigrant workforce to return to Poland, but due to regulatory or political reasons many would either stay in the UK or move to other western cities such as Amsterdam or Berlin. Other western European member states may see much of the flow coming from eastern states in future. The influx of workers from the east would be economically beneficial to countries such as Germany, but may be politically problematic.
British residents in the European Union have lost their European Citizen rights but otherwise are to be unaffected because of the terms f the Withdrawal Agreement. However, according to evidence presented by lobby group "British in Europe" to the Brexit Select Committee of the House of Commons in June 2020, "as many as 23 EU member states yet to implement systems to document the future rights of the estimated 1.2 million British citizens already living on the continent, who are in the dark over their future rights and obligations".. "The UK launched its system for EU citizens last March , with more than 3.3 million people granted pre-settled or settled status to remain in the country after Brexit", the Committee was told.

Institutional changes

Agencies located in the UK

In 2017, the UK was currently hosting the European Medicines Agency and the European Banking Authority. As an EU agency could not be located outside the Union, the Council began a process to identify new host cities for the agencies. Hosting an agency is seen as a valuable prize for a city, so the process was hotly contested by nearly two dozen cities not just on the objective criteria, but on political grounds. By November 2017, it was agreed that they would relocate to Amsterdam and Paris.
The backup data centre for the security behind the Galileo satellite navigation system was also relocated from the UK to Spain due to Brexit.

European Parliament seats

The UK was allotted 73 seats in the 751 seat European Parliament, which became vacant upon its withdrawal in 2020. 27 of these seats were redistributed to other countries, with the remaining 46 reserved for potential new member states, reducing the number of MEPs to 705.
Under normal procedures, the UK's seats would have been redistributed between the remaining members according to the standard formula, but there were a number of alternative proposals. The European Parliament originally proposed that 22 seats would be redistributed and the remaining 50 would be reserved either for new members, or an additional transnational list of MEPs which would be elected across the Union in an effort to deepen a direct democratic link. This was a long-standing proposal, notably supported by the European Green Party and French President Emmanuel Macron. However, due to the legal uncertainty around Brexit, any bold moves were opposed by constitutional affairs committee chair Danuta Huebner. Computations were proposed in a paper titled "The Composition of the European Parliament" on 30 January 2017. The constitutional affairs committee eventually decided on 23 January 2018 that 27 of the UK's seats would be redistributed and 46 reserved for new member states and transnational lists. On 7 February 2018, MEPs approved the redistribution of 27 seats, but voted against the introduction of transnational lists. On 31 January 2020, all UK MEPs vacated their seats; reallocation began on 1 February 2020.

Five euro billion reserve

Charles Michel proposed a five euro billion reserve creation which could be used to reduce the choc of the British divorce when the British transition period ends.
This reserve is a part of the 1 074 euro billion pluri-annual proposed budget when some europeans were expecting a 1 094 euro billions one.

Public opinion

In the wake of the UK's vote to withdraw, opinion polls showed that support for the EU surged across Europe. Surveying shows that the EU has the highest support in 35 years. The UK has also seen a resurgence of EU based support with polls showing that in September 2018 more UK residents thought Brexit would be wrong rather than the original August 2016 polling data that showed more support for Brexit rather than remaining.
However, Euroscepticism across Europe has also increased heralded by a 'wave of populism' notably during the campaign of Marine Le Pen in the 2017 French presidential election. In the 2018 Italian general election, the populist Five Star Movement and the right wing Lega Nord, both Eurosceptic, received 32% and 17% respectively.
In the same time, Marine Le Pen stopped the promotion of an avoidable Frexit.

Languages

, the head of the European Parliament Committee on Constitutional Affairs, has argued that after Brexit, English would no longer be an official EU language: "We have a regulation … where every EU country has the right to notify one official language. The Irish have notified Gaelic, and the Maltese have notified Maltese, so you have only the U.K. notifying English... If we don’t have the U.K., we don't have English."
However, this statement has been contradicted by the European Commission Representation in Ireland, whose spokesperson argued that changing the current language regime would require a unanimous vote by the Council, as well as by President Jean-Claude Juncker in an answer to a Parliamentary Question on 9 August 2017. However, Juncker has also stated that despite this, in the wake of Brexit, English is losing its importance in Europe and members of the German Bundestag have called on staff in EU institutions to use German more often.
When the United Kingdom and Ireland joined the EU's predecessor in 1973, French was the dominant language of the institutions. With the addition of Sweden and Finland in the 1990s, and the Eastern European states in the 2000s, English slowly supplanted French as the dominant working language of the institutions. In 2015, it was estimated that 80% of legislative proposals were drafted first in English. The role of English as a lingua franca is believed to be likely to continue, given how heavily staff rely on it, and that in European schools, 97% of children learn English as an additional language, compared with 34% learning French and 23% learning German.
Dr Marko Modiano has suggested, in an academic paper, that Euro English could be codified in a similar way to native English varieties following Brexit.
Language rules are currently covered, amongst others, by: Article 55 of the Treaty on European Union ; Articles 20 and 24 of the Treaty on the Functioning of the European Union, which lay down the rights of citizens to petition the European Parliament and to address the institutions in any of the Treaty languages and to obtain a reply in the same language, and Article 342 TFEU, which states that "the rules governing the languages of the institutions of the Union shall, without prejudice to the provisions contained in the Statute of the Court of Justice of the European Union, be determined by the Council, acting unanimously by means of regulations"; and Council Regulation No 1/1958, which lists the current 24 official languages.