O

Organization for Democracy and Economic Development (GUAM)

note-acronym standing for the member countries, Georgia, Ukraine, Azerbaijan, Moldova; formerly known as GUUAM before Uzbekistan withdrew in 5 May 2005 established - 7 June 2001 aim - commits the countries to cooperation and assistance in social and economic development, the strengthening and broadening of trade and economic relations, and the development and effective use of transport and communications, highways, and related infrastructure crossing the boundaries of the member states members - (4) Azerbaijan, Georgia, Moldova, Ukraine

Organization for Economic Cooperation and Development (OECD)

established - 14 December 1960; effective - 30 September 1961 aim - to promote economic cooperation and development members - (34) Australia, Austria, Belgium, Canada, Chile, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Israel, Italy, Japan, South Korea, Luxembourg, Mexico, Netherlands, NZ, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey, UK, US special member - (1) EC accession states - (1) Russia

Organization for Security and Cooperation in Europe (OSCE)

note - formerly the Conference on Security and Cooperation in Europe (CSCE) established 3 July 1975 established - 1 January 1995 aim - to foster the implementation of human rights, fundamental freedoms, democracy, and the rule of law; to act as an instrument of early warning, conflict prevention, and crisis management; and to serve as a framework for conventional arms control and confidence building measures members - (56) Albania, Andorra, Armenia, Austria, Azerbaijan, Belarus, Belgium, Bosnia and Herzegovina, Bulgaria, Canada, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Georgia, Germany, Greece, Holy See, Hungary, Iceland, Ireland, Italy, Kazakhstan, Kyrgyzstan, Latvia, Liechtenstein, Lithuania, Luxembourg, Macedonia, Malta, Moldova, Monaco, Montenegro, Netherlands, Norway, Poland, Portugal, Romania, Russia, San Marino, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Tajikistan, Turkey, Turkmenistan, Ukraine, UK, US, Uzbekistan partners for cooperation - (12) Afghanistan, Algeria, Australia, Egypt, Israel, Japan, Jordan, South Korea, Mongolia, Morocco, Thailand, Tunisia

Organization for the Prohibition of Chemical Weapons (OPCW)

established - 29 April 1997 aim - to enforce the Convention on the
Prohibition of the Development, Production, Stockpiling, and Use of
Chemical Weapons and on Their Destruction; to provide a forum for
consultation and cooperation among the signatories of the Convention
members (countries that have ratified the Convention) - (188)
Afghanistan, Albania, Algeria, Andorra, Antigua and Barbuda, Argentina,
Armenia, Australia, Austria, Azerbaijan, The Bahamas, Bahrain,
Bangladesh, Barbados, Belarus, Belgium, Belize, Benin, Bhutan, Bolivia,
Bosnia and Herzegovina, Botswana, Brazil, Brunei, Bulgaria, Burkina
Faso, Burundi, Cambodia, Cameroon, Canada, Cape Verde, Central African
Republic, Chad, Chile, China, Colombia, Comoros, Democratic Republic of
the Congo, Republic of the Congo, Cook Islands, Costa Rica, Cote
d'Ivoire, Croatia, Cuba, Cyprus, Czech Republic, Denmark, Dominica,
Dominican Republic, Djibouti, Ecuador, El Salvador, Equatorial Guinea,
Eritrea, Estonia, Ethiopia, Fiji, Finland, France, Gabon, The Gambia,
Georgia, Germany, Ghana, Greece, Grenada, Guatemala, Guinea, Guinea-
Bissau, Guyana, Haiti, Holy See, Honduras, Hungary, Iceland, India,
Indonesia, Iran, Iraq, Ireland, Italy, Jamaica, Japan, Jordan,
Kazakhstan, Kenya, Kiribati, South Korea, Kuwait, Kyrgyzstan, Laos,
Latvia, Lebanon, Lesotho, Liberia, Libya, Liechtenstein, Lithuania,
Luxembourg, Macedonia, Madagascar, Malawi, Malaysia, Maldives, Mali,
Malta, Marshall Islands, Mauritania, Mauritius, Mexico, Federated
States of Micronesia, Moldova, Monaco, Mongolia, Montenegro, Morocco,
Mozambique, Namibia, Nauru, Nepal, Netherlands, NZ, Nicaragua, Niger,
Nigeria, Niue, Norway, Oman, Pakistan, Palau, Panama, Papua New Guinea,
Paraguay, Peru, Philippines, Poland, Portugal, Qatar, Romania, Russia,
Rwanda, Saint Kitts and Nevis, Saint Lucia, Saint Vincent and the
Grenadines, Samoa, San Marino, Sao Tome and Principe, Saudi Arabia,
Senegal, Serbia, Seychelles, Sierra Leone, Singapore, Slovakia,
Slovenia, Solomon Islands, South Africa, Spain, Sri Lanka, Sudan,
Suriname, Swaziland, Sweden, Switzerland, Tajikistan, Tanzania,
Thailand, Timor-Leste, Togo, Tonga, Trinidad and Tobago, Tunisia,
Turkey, Turkmenistan, Tuvalu, Uganda, Ukraine, UAE, UK, US, Uruguay,
Uzbekistan, Vanuatu, Venezuela, Vietnam, Yemen, Zambia, Zimbabwe
signatory states (countries that have signed, but not ratified, the
Convention) - (2) Burma, Israel

Organization of African Unity (OAU)

see African Union

Organization of American States (OAS)

established - 14 April 1890 as the International Union of American
Republics; 30 April 1948 adopted present charter; effective - 13
December 1951 aim - to promote regional peace and security as well as
economic and social development members - (35) Antigua and Barbuda,
Argentina, The Bahamas, Barbados, Belize, Bolivia, Brazil, Canada,
Chile, Colombia, Costa Rica, Cuba (excluded from formal participation
since 1962), Dominica, Dominican Republic, Ecuador, El Salvador,
Grenada, Guatemala, Guyana, Haiti, Honduras, Jamaica, Mexico,
Nicaragua, Panama, Paraguay, Peru, Saint Kitts and Nevis, Saint Lucia,
Saint Vincent and the Grenadines, Suriname, Trinidad and Tobago, US,
Uruguay, Venezuela observers - (65) Algeria, Angola, Armenia, Austria,
Azerbaijan, Belgium, Benin, Bosnia and Herzegovina, Bulgaria, China,
Croatia, Cyprus, Czech Republic, Denmark, Egypt, Equatorial Guinea,
Estonia, EU, Finland, France, Georgia, Germany, Ghana, Greece, Holy
See, Hungary, Iceland, India, Ireland, Israel, Italy, Japan,
Kazakhstan, South Korea, Latvia, Lebanon, Lithuania, Luxembourg,
Monaco, Morocco, Netherlands, Nigeria, Norway, Pakistan, Philippines,
Poland, Portugal, Qatar, Romania, Russia, Saudi Arabia, Serbia,
Slovakia, Slovenia, Spain, Sri Lanka, Sweden, Switzerland, Thailand,
Tunisia, Turkey, Ukraine, UK, Vanuatu, Yemen

Organization of Arab Petroleum Exporting Countries (OAPEC)

established - 9 January 1968 aim - to promote cooperation in the petroleum industry members - (11) Algeria, Bahrain, Egypt, Iraq, Kuwait, Libya, Qatar, Saudi Arabia, Syria, Tunisia (suspended), UAE

Organization of Eastern Caribbean States (OECS)

established - 18 June 1981; effective - 4 July 1981 aim - to promote political, economic, and defense cooperation members - (9) Anguilla, Antigua and Barbuda, British Virgin Islands, Dominica, Grenada, Montserrat, Saint Kitts and Nevis, Saint Lucia, Saint Vincent and the Grenadines

Organization of Petroleum Exporting Countries (OPEC)

established - 14 September 1960 aim - to coordinate petroleum policies members - (12) Algeria, Angola, Ecuador, Iran, Iraq, Kuwait, Libya, Nigeria, Qatar, Saudi Arabia, UAE, Venezuela; note - Indonesia left OPEC in 2008

Organization of the Islamic Conference (OIC)

established - 22-25 September 1969 aim - to promote Islamic solidarity
in economic, social, cultural, and political affairs members - (56
plus the Palestine Liberation Organization) Afghanistan, Albania,
Algeria, Azerbaijan, Bahrain, Bangladesh, Benin, Brunei, Burkina Faso,
Cameroon, Chad, Comoros, Cote d'Ivoire, Djibouti, Egypt, Gabon, The
Gambia, Guinea, Guinea-Bissau, Guyana, Indonesia, Iran, Iraq, Jordan,
Kazakhstan, Kuwait, Kyrgyzstan, Lebanon, Libya, Malaysia, Maldives,
Mali, Mauritania, Morocco, Mozambique, Niger, Nigeria, Oman, Pakistan,
Qatar, Saudi Arabia, Senegal, Sierra Leone, Somalia, Sudan, Suriname,
Syria, Tajikistan, Togo, Tunisia, Turkey, Turkmenistan, Uganda, UAE,
Uzbekistan, Yemen, Palestine Liberation Organization observers - (12)
AU, Bosnia and Herzegovina, Central African Republic, ECO, LAS, Moro
National Liberation Front, NAM, Parliamentary Union of the OIC Member
States, Russia, Thailand, Turkish Muslim Community of Kibris, UN