Facts and figures on the EU, EFTA and candidate countries.
EU and eurozone over time
When did each state join the European Union? How many countries currently belong to the eurozone? An animated map and two graphs show the European Union and eurozone over time.
Country codes
The ISO 3166 classification defines unique two- and three-digit-codes for all countries worldwide. The ISO codes for Germany are DE and DEU for example. Click here for an overview of all two-digit ISO country codes (ISO-3166 Alpha-2) for all European countries.