International organizations (not part of the United Nations system, though they often work with the UN)

International Monetary Fund (IMF)

The International Bank for Reconstruction and Development (World Bank)

World Trade Organization (WTO)

Organization for Economic Cooperation and Development (OECD, the wealthy countries' club)

Group of Eight: University of Toronto Group of 8 Information Page, the richest nations' economic leadership forum)

Group of 77 (G-77, a meeting group of developing nations that contains more than 77 nations)

World Economic Forum (governmental leaders, business leaders, and other national and international leaders from numerous professions gather together yearly to discuss the global economy from around the world. This is less an international organization and more of a meeting of elites from around the world.)

G-20 (Group of 20 – Finance Ministers and Central Banks of the richest nations in the world meet to discuss world financial issues)

Non-Aligned Movement (formed initially by nations who refused to take sides in the Cold War)