Transition economy to the IMF, Iran is in transition to a market economy, demonstrating early stages of a transition economy. The eight first-wave accession countries, which joined the European Union on 1 May 2004 (Czech Republic, Estonia, Hungary, Latvia, Lithuania, Poland, Slovakia, Slovenia) and the two second-wave accession countries that joined on 1 January 2007 (Romania and Bulgaria) have completed the transition process. According to the World Bank, "the transition is over" for the 10 countries that joined the EU in 2004 and 2007. It can be also understood as all countries of the Eastern Bloc. "Transition economics" is a special branch
Referendums related to the European Union by 51.9% to leave the European Union. Greenland, an autonomous territory of Denmark, voted to leave the EC in a referendum in 1982 by 53% of voters. In 1972, four countries held referendums on the subject of the 1973 enlargement of the European Communities. Denmark, Ireland, and the United Kingdom were admitted as members of the EC, acceding on 1 January 1973. Two referendums were held in EU countries to permit them to ratify the Single European Act. In 1994, four countries, and one dependency, held referendums on membership of the EU, resulting in the 1995 enlargement of the European