There are 27 EU countries.
No countries joined the EU in 2010. Before 2010, Romania and Bulgaria were the newest, joining in 2007.
In 2005, there were 25 countries in the EU.
The EU is an organisation, not a nation. As of 2015, it has 28 independent countries that are members of it.
If you mean how many countries in the EU use the EU currency, the Euro, the answer is 17.
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The EU co-operates with all sorts of countries and organisations around the world. The countries in the EU also co-operate with each other. for a + it is all answer are correct class 2010-2011 ;)
27 Countries were part of the EU in 1957! NOPE! there ARE NOW 27 countries there were not 27 back then!
EU, I think means euro, like the currency of Europe €
Do you mean which EU countries have flags with yellow in them? Belgium Germany Lithuania Portugal Romania Spain Sweden
There are no Asian countries in the EU.
Many countries in Europe are not members of the EU. Most notable for declining in membership in votes amongst their citizens has been Norway.