English is a West Germanic language originating in England, and is the first language for most people in the Anglophone Caribbean, Australia, Canada, New Zealand, the Republic of Ireland, the United Kingdom, and the United States . It is used extensively as a second language and as an official language throughout the world, especially in Commonwealth countries and in many international organisations.

Modern English is sometimes described as the first global lingua franca.English is a dominant international language in communications, science, business, aviation, entertainment, radio and diplomacy The influence of the British Empire is the primary reason for the initial spread of the language far beyond the British Isles.Since World War II, the growing economic and cultural influence of the United States has significantly accelerated the adoption of English.

A working knowledge of English is required in certain fields, professions, and occupations. As a result, over a billion people speak English at least at a basic level