Continental unions

The European Union (EU) is a political and economic union of 27 member states that are located primarily in Europe. The supranational union has a total area of 4,233,255 km2 (1,634,469 sq mi), an estimated population of approximately 451 million (2025), and the EU member states generated a nominal gross domestic product (GDP) of around €18.802 trillion (2025), accounting for approximately one sixth of global economic output. The EU is often described as a sui generis political entity combining characteristics of both a federation and a confederation.

supranational union in Africa

intergovernmental union

economic organization of northern and central Asian and eastern European countries

regional intergovernmental political and economic union consisting of many Arab states of the Persian Gulf

International organization with 15 member states and 5 associate members in the Caribbean region

intergovernmental organization

political concept similar to the hypothesised United States of Europe

economic and political organization of Central American states

intergovernmental organization

theoretical economic and political continental union of Canada, Mexico, and the United States

intergovernmental organisation for economic integration

Latin American trade bloc formed by Chile, Colombia, Mexico and Peru

theoretical political union of Arab states

proposed union of Romance-language-speaking Central African countries

regional international organization which facilitates pan-continental integration