A multinational nation is an autonomous state that comprises more than one nation or state. A multistate nation can also be called multicultural or multilingual. The multistate nation may have a state with the same ethnicity which is composed of people with the same language, food, religion, political beliefs, and other cultural aspects.
There is a different historical multistate nation which includes the ottoman empire, the soviet union, etc., but the present-day multistate nation includes Afghanistan, Belgium, Bolivia, Bosnia and Herzegovina, Brazil, Canada, China, France, Ethiopia, India, Indonesia, Iraq, Madagascar, Malaysia, Mauritius, Montenegro, Nigeria, Pakistan, Philippines, Russia, Serbia, Singapore, South Africa, Spain, Sri Lanka, Suriname, Switzerland, United Kingdom, and the United States.
Lastly, a multistate nation can also be defined as a nation whose geographical area does not stay within the borders of just one country.