Intergovernmental organizations differ in function, membership, and membership criteria. They have various goals and scopes, sometimes outlined in their treaty or
charter. Some IGOs developed to fulfill a need for a neutral forum for debate or negotiation to resolve disputes. Others developed to carry out mutual interests with unified aims to preserve peace through
conflict resolution and better
international relations, promote international cooperation on matters such as
environmental protection, to promote
human rights, to promote
social development (education,
health care), to render
humanitarian aid, and to
economic development. Some are more general in scope (the
United Nations) while others may have subject-specific missions (such as
INTERPOL or the
International Telecommunication Union and other
standards organizations). Common types include: • Worldwide or global organizations – generally open to nations worldwide as long as certain criteria are met: This category includes the United Nations (UN) and its specialized agencies, the
World Health Organization, the
International Telecommunication Union (ITU), the
World Bank, and the
International Monetary Fund (IMF). It also includes globally operating intergovernmental organizations that are not an agency of the UN, including for example: the
Hague Conference on Private International Law, an operating intergovernmental organization based in
The Hague that pursues the progressive unification of
private international law; the
International Criminal Court that adjudicates crimes defined under the
Rome Statute; and the
CGIAR (formerly the Consultative Group for International Agricultural Research), a global partnership that unites intergovernmental organizations engaged in research for a food-secured future. • Cultural, linguistic, ethnic, religious, or historical organizations – open to members based on some cultural, linguistic, ethnic, religious, or historical link. Examples include the
Commonwealth of Nations,
Arab League, ,
Community of Portuguese Language Countries,
Organization of Turkic States,
International Organization of Turkic Culture,
Organisation of Islamic Cooperation, and
Commonwealth of Independent States (CIS). • Economic organizations – based on macro-economic policy goals: Some are dedicated to
free trade and reduction of trade barriers, e.g.
World Trade Organization,
International Monetary Fund. Others are focused on
international development. International
cartels, such as
OPEC, also exist.
The Organisation for Economic Co-operation and Development (OECD) was founded as an economic-policy-focused organization. An example of a recently formed economic IGO is the
Bank of the South. • Educational organizations – centered around tertiary-level study.
EUCLID University was chartered as a university and umbrella organization dedicated to sustainable development in signatory countries. The United Nations has founded multiple universities, notably the
United Nations University and the
University for Peace, for research and education around issues relevant to the UN, such as peace and sustainable development. The United Nations also has a dedicated training arm: the
United Nations Institute for Training and Research (UNITAR). • Health and Population Organizations – based on common perceived health and population goals. These are formed to address those challenges collectively, for example, the intergovernmental partnership for population and development Partners in Population and Development. •
Regional organizations – open to members from a particular continent or other specific region of the world. This category includes the
Community of Latin American and Caribbean States (CLACS),
Council of Europe (CoE),
European Union (EU),
Eurasian Economic Union (EAEU),
Energy Community,
North Atlantic Treaty Organization (NATO),
Economic Community of West African States (ECOWAS),
Organization for Security and Co-operation in Europe (OSCE),
African Union (AU),
Organization of American States (OAS),
Association of Caribbean States (ACS),
Association of Southeast Asian Nations (ASEAN),
Islamic Development Bank,
Union of South American Nations,
Asia Cooperation Dialogue (ACD),
Pacific Islands Forum,
South Asian Association for Regional Cooperation (SAARC),
Asian-African Legal Consultative Organization (AALCO) and the
Organisation of Eastern Caribbean States (OECS).
Regional organizations In regional organizations like the
European Union,
African Union,
Indian Ocean Rim Association,
NATO,
ASEAN,
Mercosur,
Andean Community and the
Organization of American States, there are restrictions on membership due to factors such as geography or political regimes. To enter the European Union (EU), the states require different criteria; member states need to be European, liberal-democratic political system, and be a capitalist economy. The oldest
regional organization is the
Central Commission for Navigation on the Rhine, created in 1815 by the
Congress of Vienna. ==Participation and involvement==