Itâs estimated that up to 7,000 different languages are spoken around the world. 90% of these languages are used by less than 100,000 people. Over a million people converse in 150-200 languages and 46 languages have just a single speaker! Languages are grouped into families that share a common ancestry.
All U.S. citizens are considered to be U.S. nationals, but not all nationals are citizens: natives of American Samoa and Swainâs Island (AS) are not U.S. citizens but are nationals. Select Eligible noncitizen if you are not a U.S. citizen (or U.S. national) and you are one of the following:
United States is often referred to as US or USA. The nationality of the United States is American. The capital of United States is Washington, D.C. Largest Cities in United States by population: New York, Los Angeles, Chicago, Houston, Philadelphia, Phoenix, San Antonio, San Diego, Dallas, San Jose.