Why USA people think that they are "América"? What do they call the rest of the continent?
América is a continent with a lot of countries.
Whether usage of America or the Americas is preferred, American is a self-referential term for many people living in all of America. However, most of the English-speaking world (including Canada) uses the word to refer solely to a citizen, resident, or national of the United States of America.
But American is somebdy living in any of these countries. More than 30.
Various languages are spoken in the Americas. Some are of the European origin, others are spoken by indigenous peoples or are the mixture of various idioms like the different creoles.
Spanish - spoken by approximately 360 million in many nations, regions, islands, and communities throughout the two continents.
English - spoken by approximately 325 million people in the United States, Canada, Trinidad and Tobago, The Bahamas, Bermuda, Guyana and many islands of the Caribbean.
Portuguese - spoken by approximately 185 million in Brazil
French - spoken by approximately 1
In the United States census, millions of people describe their primary ethnic origin as American, particularly those belonging in southern states. This region has a high percentage of people who trace their ancestry to the colonial origins of the United States but often lack records of the specific countries of their ancestors' origins.