American English (AmE) is the dialect of the English language used mostly in the United States of America. It is estimated that approximately two thirds of native speakers of English live in the United States. American English is also sometimes called United States English or U.S. English.
Today, the US is home to approximately 331 million people, of which 300 million, or roughly 90% of the population, speak English. But millions of Americans also speak other languages. In fact, the US is home to speakers of at least 350 languages in total. Spanish is the second most spoken language in the US after English, and other languages with millions of speakers include Chinese, Tagalog (the national dialect of the Philippines), Vietnamese, and French (including French Creole).