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| Name | Headquarters | Foundation Year | No. of Members | Purpose |
| The Shanghai Cooperation Organisation (SCO) | Beijing China | 15 June 2001 | 8 member states, 4 observer states, 6 dialogue partners, 4 guest attendances | A Eurasian political, economic, and security alliance for cooperation in political affairs, economics and trade, scientific-technical, cultural, educational spheres and safeguard regional peace. |
| The organisation of Islamic Cooperation (OIC) | Jeddah Saudi Arabia | 1969 | 57 | To preserve Islamic social and economic values; promote solidarity amongst member states and increase cooperation in areas of development. |
| Organisation for Economic Cooperation Development (OECD) (formerly OEEC, Formed: 16 April 1948) | Paris, France | Reformed Sep. 1961 | 36 | To stimulate economic growth and world trade by raising the standard of living in member countries and by coordinating aid to less developed countries. |
| Organisation of the Petroleum Exporting Countries (OPEC) | Vienna | Sept 1960 | 15 | To unify the petroleum policies of its Member Countries and ensure the stabilization of oil markets to secure a regular supply of petroleum to consumers, a steady income to producers and a fair return on capital for those investing in the petroleum industry. |
| Organisation of Arab Petroleum Exporting Countries (OAPEC) | Kuwait | 1968 | 10 | Organise cooperation in oil development and regional integration, provide legitimate means to preserve the members’ individual and collective interest within the industry and provide access to consumer markets on fair and reasonable terms. |
| North Atlantic Treaty Organisation (NATO) | Brussels Belgium | 4 April 1949 | 29 states (intergovernmental military alliance for collective defence). | Mutual defence in response to an attack by any external party. |
| New Development Bank (NDB) | Shanghai, China | July 2014 | Established by BRICS (5) | To contribute to development plans established nationally through projects that are socially, environmentally and economically sustainable. |
| The International Air Transport Association (IATA) | Montreal, Canada | 1945 | International and domestic airlines. | To promote safe, regular and economical air transport and to provide a forum for collaboration. |
|
Group of Twenty (G20) |
26 Sept 1999 | 20 | To bring together industrialized and developing economies to discuss key issues in the global economy and promote international financial stability. | |
|
Group of 24 (G-24) |
1971 | A chapter of the G-77. | To coordinate the positions of developing countries on international monetary and development finance issues and to ensure that their interests were adequately represented in negotiations on international monetary matters. Every member of the G-24, except for Mexico, is also a member of the G77. | |
| Group of 77 | 15 June 1964 | 134 | To promote collective economic interest and increase negotiating capacity in UN. | |
|
Group of Seven (G7, earliar G8) |
1973 | 7 | To tackle global challenges through discussion and action with no headquarters, budget or permanent staff. | |
| Gulf Cooperation Council (GCC) |
Riyadh, Saudi Arabia |
25 May 1981 | 6 | To boost economic cooperation between members and, through collective security, to guard against any threat from neighbouring states and from Islamic terrorism. |
| Commonwealth of Independent States (CIS) | Minsk Russia | 1991 | 9 member states and 1 associate state | Military and Economic alliance and to reach a supranational union. Also called the Russian Commonwealth; was established through Belavezha Accords (1991) and subsequent the Alma-Ata Protocol (1991) and Free Trade Area agreement (2012). |
| BRICS | Shanghai | 2009 | 5 | To achieve regional economic growth and work as a bridge between the developed and developing countries. |
| The Arab League | Al Tahrir Sq., Cairo, Egypt | 22.03.1945 | 22 | To strengthen interest, independence and sovereignity of Arab member-states |
| African Union | Addis Ababa, Ethiopia | 26.05.2001 | 55 countries on the African continent. | To strengthen ties between African countries and safeguards their independence. |
| Asian Infrastructure Investment Bank (AIIB) | Beijing, China | 25.12.2015 | 86 | It is an international multilateral development institution to provide finance to infrastructure projects in the Asia region. |
| The Association of South East Asian Nations (ASEAN) | Jakarta, Indonesia | 08.08.1967 | 10 | To accelerate economic progress and maintain the economic stability of SE Asia. |
| International Criminal Police Organization (INTERPOL) | Lyon, France | 7 September, 1923 | 192 | Motto: Connecting Police for a safer world |
| World Bank | Washington D.C. (U.S.A.) | July, 1944 | 189 | Crediting, Working for a world free of Poverty |
| IBRD | Washington D.C. (U.S.A.) | 1944 | 189 | Development Assistance, Poverty Reduction |
| ICSID (International Centre for Settlement of Investment Disputes) | Washington D.C. (U.S.A.) | 1957 (But operating starts in 1966) | 159 | International Arbitration |
| International Finance Corporation (IFC) | Washington D.C. (U.S.A.) | 24 July, 1956 | 184 | Private Sector Development, Poverty Reduction |
| Multilateral Investment Guarantee Agency (MIGA) | Washington D.C. (U.S.A.) | 1988 | 181 | Political Risk Insurance, Foreign Direct Investment |
| World Trade Organization (WTO) | Geneva, Switzerland | 1 January, 1995 | 164 | Regulate International Trade |
| International Monetary Fund (IMF) | Washington D.C. (U.S.A.) | 27 December, 1945 | 189 | To promotes international economic cooperation |
| Bank for International Settlements (BIS) | Basel, Switzerland | 17 May, 1930 | 60 Central Banks | To provide banking services to central banks and other international organizations. (fosters international monetary and financialcooperation) |
| Asian Development Bank (ADB) | Metro Manila, Philippines | 22 August, 1966 | 67 | Crediting, ADB launched the Asian Development Fund (ADF) with a view to providing concessional credits to needy members. |
| World Intellectual Property Organization (WIPO) | Geneva Switzerland | 14 July, 1967 | 188 | To promote the protection of intellectual property throughout the world |
| World Health Organization (WHO) | Geneva Switzerland | 7 April, 1948 | 193 | Health For All |
| International Labour Organization (ILO) | Geneva Switzerland | 1919 | 186 | |
| International Fund for Agricultural Development (IFAD) | Rome, Italy | 1977 | 173 | Enabling the Rural Poor to Overcome Poverty |
| UNICEF | New York | 11-Dec-1946 | 191 | To provide food and healthcare to children of those countries which devastated by world war II. |
| UN International Training and Research Center (UNITAR) | Geneva Switzerland | 1963 | — | To achieve the major objectives of UN through training and research |
| UN Environmental Program (UNEP) | Nairobi, Kenya | 5 June, 1972 | 193 | Protect our environment and conserve our future |
| UN Development Program (UNDP) | New York | 1965 | 166 | Overall development |
| UN Capital Development Fund (UNCDF) | New York | 1966 | For 48 least developed countries | Eradicate extreme hunger poverty, Promotes equality, Ensures Environment Sustainability |
| International Cricket Council | Dubai, United Arab Emirates | 15 June, 1909 | 125 | Great Sport, Great Spirit |
| North Atlantic Treaty Organization (NATO) |
Brussels, Belgium | 4 April, 1949 | 28 | A mind unfettered in deliberation |
| International Atomic Energy Agency (IAEA) | Vienna | 1957 | 170 | To promote peaceful Energy uses of atomic energy |
| United Nations Conference on Trade & Development (UNCTAD) | Geneva | 1964 | 195 | Promote international trade to accelerate economic growth of developing countries |
| United Nations Industrial Development Organisation (UNIDO) | Geneva | 1967 | – | Sets international regulations for radio, telegraph, telephone and space radio communication |
| World Meteorological Organization (WMO) | Geneva | 1950 | 185 | Promote international exchange of weather reports. |
| World Hindu Economic Forum (WHEF) | Delhi | 2010 | — | To bring together eminent Hindu intellectuals and businesses for the purposes of collaboration |
| Organization for the prohibition of Chemical Weapons | Hague | 1997 | 192 | Implementing body for the Chemical Weapons Convention, which entered into force on 29 April 1997. |
| Food & Agricultural Organization (FAO) | Rome, Italy | 1945 | 197 | To defeat hunger and improve nutrition and food security. |
| FIFA (Federation International de Football Association) | Zurich | 1904 | 47 | Its goal is constant improvement in Football |
| International Olympic Committee | Lausanne | 1894 | 138 | To develop, promote and protect the Olympic Movement in their home countries. |
| International Court of Justice | Hague | 1945 | 15 | functions: To settle, in accordance with international law, legal disputes submitted by States, and. To give advisory opinions on legal questions referred to it by authorized UN organs |
| Asia Pacific Economic Cooperation | Singapore | 1989 | 23 | To further enhance economic growth and prosperity for the region and to strengthen the Asia-Pacific community |
| SAARC (South Asian Association for Regional Cooperation) | Kathmandu | 1985 | 8 members 9 observers | To promote the welfare of the peoples of South Asia, strengthen collective self-reliance, promote active collaboration |
| Commonwealth of Nations | London | 1960 | 53 members | To advance economics, social development, and human rights in member countries. |