Category:Countries by international organization

A

• Member states of the African Union‎ (15 C, 57 P)
• Member states of the Arab League‎ (20 C, 23 P)
• Member states of ASEAN‎ (10 C, 11 P)

B

• BRICS nations‎ (1 C, 10 P)

C

• Member states of the Caribbean Community‎ (10 C, 15 P)
• Member states of the Collective Security Treaty Organization‎ (5 C, 6 P)
• Member states of the Commonwealth of Independent States‎ (9 P)
• Member states of the Commonwealth of Nations‎ (58 C, 60 P)
• Member states of the Community of Portuguese Language Countries‎ (9 C, 10 P)
• Member states of the Council of Europe‎ (2 C, 31 P)

D

• Members of the Delian League‎ (3 C, 288 P)
• Developing 8 Countries member states‎ (9 P)
• Member states of the Dutch Language Union‎ (3 P)

E

• Member states of the Eurasian Economic Union‎ (5 P)
• Member states of the European Free Trade Association‎ (4 C, 6 P)
• Member states of the European Union‎ (28 C, 30 P)

F

• Member states of the Organisation internationale de la Francophonie‎ (33 C, 48 P)

G

• G15 nations‎ (17 P)
• G20 members‎ (21 P)
• Member states of the Gulf Cooperation Council‎ (6 P)

M

• Member states of Mercosur‎ (4 C, 5 P)

N

• Member states of NATO‎ (32 C, 34 P)
• Members of the Nordic Council‎ (8 P)

O

• OECD member economies‎ (40 P)
• Member states of OPEC‎ (1 C, 13 P)
• Member states of the Organisation of Eastern Caribbean States‎ (10 C, 10 P)
• Member states of the Organisation of Islamic Cooperation‎ (57 P)

S

• Member states of the South Asian Association for Regional Cooperation‎ (8 P)

T

• Member states of the Three Seas Initiative‎ (12 P)
• Members of the International Organization of Turkic Culture‎ (6 P)

U

• Member states of the Union for the Mediterranean‎ (36 P)
• Member states of the Union of South American Nations‎ (6 P)
• Member states of the United Nations‎ (195 P)
• Members of the Unrepresented Nations and Peoples Organization‎ (4 C, 84 P)

W

• World Trade Organization member economies‎ (134 P)

• Member state

A

• Member states of the African Union
• Member states of ALBA
• Member states of the Arab League
• Member states of ASEAN

B

• Member states of BRICS

C

• Member states of the Caribbean Community
• Member states of the Commonwealth of Nations
• Member states of the Community of Portuguese Language Countries
• Member states of the Council of Europe

D

• Member states of the Dutch Language Union

E

• Member states of the Eurasian Economic Union
• Member states of the European Aviation Safety Agency
• Member state of the European Union
• Member states of the Eurozone

F

• Member states of the Organisation internationale de la Francophonie

G

• G20 developing nations
• G33 (developing countries)

I

• Member states of the International Atomic Energy Agency
• Member states of the International Labour Organization
• Countries in the International Organization for Standardization

L

• Member states of the League of Nations
• List of member states of the World Organisation for Animal Health
• List of World Bank members

M

• Member states of the International Organization of the Francophonie
• Member states of the Latin Union
• Member states of Mercosur

N

• Member states of NATO

O

• Member states of the Organisation for the Prohibition of Chemical Weapons
• Member states of the Organisation of Islamic Cooperation
• Member states of the Organization of American States
• Member states of the Organization of the Black Sea Economic Cooperation

S

• Member states of the Shanghai Cooperation Organisation
• Member states of the Union of South American Nations

U

• Member states of UNESCO
• Member states of the United Nations
• List of members of the United Nations Security Council
• List of members of the Universal Postal Union

V

• Member states of the Venice Commission

W

• Member states of the World Intellectual Property Organization
• Member states of the World Customs Organization
• Member states of the World Sports Alliance
• Member states of the World Trade Organization