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Enlargement of the European Union

A wider Europe – an overview

The European Union has grown from originally six to today twenty-seven member states – clear proof of how attractive and successful this model is.

Read more: A wider Europe – an overview


Accession treaties and transitional periods for the new Member States

Key provisions of the accession agreements in brief: membership and transitional periods, participation in EU institutions, the single internal market, border controls, agriculture, finances, introduction of the euro and the implications of accession for Cyprus.

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Conditions of the enlargement process

According to Article 49 of the Treaty on European Union, any European country can apply for membership of the Union.

Read more: Conditions of the enlargement process


The Copenhagen Criteria

The Copenhagen European Council held in June 1993 spelt out the conditions for EU membership known as the Copenhagen Criteria. These require that candidate countries fulfill political and econmic criteria as well as the acquis criterion.

Read more: The Copenhagen Criteria


Helping countries prepare for accession

Since 1 January 2007 the IPA has replaced the previous pre-accession instruments PHARE (Poland and Hungary Action for the Reconstruction of the Economy), ISPA (Instrument for Structural Policies for Pre-accession), SAPARD (Special Accession Programme for Agriculture and Rural Development) and the financial instrument CARDS (Community Assistance for Reconstruction, Development and Stabilization). This means the EU's assistance in the area of enlargement is now delivered through one single instrument.

Read more: Helping countries prepare for accession


Accession candidate Former Yugoslav Republic of Macedonia

At its meeting on 15/16 December 2005 the European Council granted candidate country status to the former Yugoslav Republic (FYR) of Macedonia. The Council took this decision on the basis notably of the progress the country had made in implementing the Ohrid Framework Agreement and the Stabilization and Association Agreement (SAA).

Read more: Accession candidate Former Yugoslav Republic of Macedonia


Accession negotiations with Turkey and Croatia

The EU opened accession negotiations with Turkey and with Croatia on 3 October 2005. These negotiations are an open-ended process, the outcome of which cannot be guaranteed beforehand.

Read more: Accession negotiations with Turkey and Croatia


Iceland's application for EU membership

The new Icelandic Government has initiated the country’s accession to the EU. The number of people in favour of joining the EU has risen considerably during the last year in Iceland, which has been hit hard by the economic crisis. The German Government has always been in favour of Iceland’s membership of the EU.

Read more: Iceland's application for EU membership


The Stabilization and Association Process (SAP)

Since the Feira European Council (June 2000) all Western Balkan countries (Albania, Bosnia and Herzegovina, Croatia, the Former Yugoslav Republic of Macedonia, Montenegro, Serbia and Kosovo) have held the status of "potential accession candidates" (confirmed in Thessaloniki in June 2003). Croatia and the Former Yugoslav Republic of Macedonia were granted "candidate country" status, and accession negotiations with Croatia have already begun.

Read more: The Stabilization and Association Process (SAP)


Further sources of information

Map of the EU (status of 1957)

Die Europäische Union in den Grenzen von 1957

EU enlargements from 1973 to 1995

Die Schritte der Erweiterung von 1973 bis 1995

EU enlargement of 2004

Die Erweiterung der Europäischen Union 2004


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