List of European countries by membership in international organisations

This list depicts the membership of European countries in selected international organisations and treaties.

Table
Classification of countries according to the United Nations: {{legend|#00aded|Very high human development (0.800 or higher)}} {{legend|#00ffff|High human development (0.700 - 0.799)}}

Classification of countries according to the World Bank:

{{legend|#99BADD|high income (> $14,005)}} {{legend|#BFFFBF|upper middle income ($4,516 - $14,005)}}

Classification of countries according to the IMF: {{legend|#00b9fa|Advanced Economies}} {{legend|#ffb219|Emerging Market and Developing Economies}}

1 These countries are currently not participating in the EU's single market (EEA), but the EU has common external Customs Union agreements with Turkey (EU-Turkey Customs Union in force since 1995), Andorra (since 1991) and San Marino (since 2002). Monaco participates in the EU customs union through its relationship with France; its ports are administered by the French. Vatican City has a customs union in effect with Italy. 2 Andorra, Monaco, San Marino and Vatican City are not members of Schengen, but act as such via their open borders with Spain, France and Italy, respectively. 3 Switzerland is not an official member of EEA but has bilateral agreements largely with the same content, making it virtually a member. 4 Andorra, Monaco, San Marino and Vatican City are using the euro as their currency through a monetary agreement with the EU. 5 Montenegro and Kosovo unilaterally adopted the euro as their currency and, therefore, have no issuing rights. 6 Currency included in the ERM II mechanism. 7 Air and maritime borders only.