EU member country since 1958, Euro area member since 1999, Schengen area member since 1995 and more about Belgium’s participation in the EU.

EU member country since 2007 and more about Bulgaria’s participation in the EU.

EU member country since 2013, Euro area member since 2023, Schengen area member since 2023 and more about Croatia's participation in the EU.

EU member country since 1973, opt-out from euro, Schengen area member since 2001 and more about Denmark’s participation in the EU.

EU member country since 1958, Euro area member since 1999, Schengen area member since 1995 and more about France’s participation in the EU.

EU member country since 1958, Euro area member since 1999, Schengen area member since 1995 and more about Germany’s participation in the EU.

EU member country since 1981, Euro area member since 2001, Schengen area member since 2000 and more about Greece’s participation in the EU.

EU member country since 1973, Euro area member since 1999, opt-out from Schengen area and more about Ireland’s participation in the EU.

EU member country since 1958, Euro area member since 1999, Schengen area member since 1997 and more about Italy’s participation in the EU.

EU member country since 1958, Euro area member since 1999, Schengen area member since 1995 and more about Luxembourg’s participation in the EU.

EU member country since 1958, Euro area member since 1999, Schengen area member since 1995 and more about the Netherlands’ participation in the EU.

EU member country since 1986, Euro area member since 1999, Schengen area member since 1995 and more about Portugal’s participation in the EU.

EU member country since 2007 and more about Romania’s participation in the EU.