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
Demographics of the European Union the other religions for centuries, despite periods of persecution or genocide by European rulers. Islam too has had a long history in Europe, with Spain and Portugal at one time having a Muslim majority. Large Muslim populations also exist in the Balkans and parts of Eastern Europe, due to a legacy of centuries of Ottoman rule. The first official language of each of the 28 Member Countries has the status of an official language of the European Union. In total there are 24, with Irish, Bulgarian and Romanian gaining official language status on 1 January 2007, when the last two