List of important International Organizations with their headquarters, foundation years, heads and purpose.
| Name | Headquarters | Heads | Foundation Year | Number of Members Countries | Purpose |
| International Criminal Police Organization (INTERPOL) | Lyon, France | Mrs. Ballestrazzi | 7 September, 1923 | 190 | Connecting Police for a safer world |
| World Bank | Washington D.C. (U.S.A.) | Jim Yong Kim | July, 1944 | 189 | Crediting, Working for a world free of Poverty
|
| IBRD | Washington D.C. (U.S.A.) | Jim Yong Kim | 1944 | 189 | Development Assistance, Poverty Reduction |
| ICSID (International Centre for Settlement of Investment Disputes) | Washington D.C. (U.S.A.) | Jim Yong Kim | 1957 (But operating starts in 1966) | 159 | International Arbitration |
| International Finance Corporation (IFC) | Washington D.C. (U.S.A.) | Philippe Le Houérou | 24 July, 1956 | 184 | Private Sector Development, Poverty Reduction |
| Multilateral Investment Guarantee Agency (MIGA) | Washington D.C. (U.S.A.) | Keiko Honda | 1988 | 181 | Political Risk Insurance, Foreign Direct Investment |
| World Trade Organization (WTO) | Geneva, Switzerland | Roberto Azevedo | 1 January, 1995 | 162 | Regulate International Trade |
| International Monetary Fund (IMF) | Washington D.C. (U.S.A.) | Christine Lagarde | 27 December, 1945 | 189 | To promotes international economic cooperation |
| Bank for International Settlements (BIS) | Basel, Switzerland | Jaime Caruana | 17 May, 1930 | 60 Central Banks | Central Bank Cooperation |
| Asian Development Bank (ADB) | Metro Manila, Philippines | Takehiko Nakao | 22 August, 1966 | 67 | Crediting |
| World Intellectual Property Organization (WIPO) | Geneva Switzerland | Francis Gurry | 14 July, 1967 | 188 | To promote the protection of intellectual property throughout the world |
| World Health Organization (WHO) | Geneva Switzerland | Margaret Chan | 7 April, 1948 | 193 | Health For All |
| International Labour Organization (ILO) | Geneva Switzerland | Guy Ryder | 1919 | 186 |
| International Fund for Agricultural Development (IFAD) | Rome, Italy | Kanayo F. Nwanze | 1977 | 173 | Enabling the Rural Poor to Overcome Poverty |
| UNICEF | New York | Anthony Lake | 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 | Nikhil Seth | 1963 | -- | To achieve the major objectives of UN through training and research |
UN Environmental Program (UNEP) | Nairobi, Kenya | Achim Steiner | 5 June, 1972 | 193 | Protect our environment and conserve our future |
| UN Development Program (UNDP) | New York | Helen Clark | 1965 | 166 | Overall development |
| UN Capital Development Fund (UNCDF) | New York | Reuben Summerlin | 1966 | For 48 least developed countries | Eradicate extreme hunger poverty, Promotes equality, Ensures Environment Sustainability |
| International Cricket Council | Dubai, United Arab Emirates | Zaheer Abbas | 15 June, 1909 | 125 | Great Sport, Great Spirit |
North Atlantic Treaty Organization
(NATO) | Brussels, Belgium | Petr Pavel | 4 April, 1949 | 28 | A mind unfettered in deliberation |
