Karns and Mingst identify the two main types of international organizations as IGOs and INGOs which they also refer to as international and transnational structures who are actors in global governance. Global governance, they say, are the cooperative problem-solving arrangements and activities that states and other actors have put into place to deal with various issues and problems.
Firstly, Intergovernmental Organizations; herein referred to as IGOs will be discussed.
IGOs are organizations that include at least three states among their membership, that have activities in several states, and that are created through a formal intergovernmental agreement such as a treaty, charter, or statute. These organizations range in size from 3 members (North American Free Trade Agreement [NAFTA]) to more than 190 members Universal Postal Union [UPU].
Within these IGOs, members can be limited to one geographic region, for example the Organization of American States (OAS), the European Union (EU) or even the Caribbean Community (CARICOM) or they may come from all geographic regions such as members of the World Bank and IMF.
Some IGOs are designed for solitary purposes such as the Organization of Petroleum Exporting Countries [OPEC]), whilst others have been developed for multilateral purposes, for example the United Nations [UN]. Most IGOs though, are not global in membership but are in fact regional, wherein a commonality of interest motivates states to cooperate on issues directly affecting them. Most are small in membership and designed to address