International English the sphere of influence of English-speaking countries. Here English may serve as a useful lingua franca between ethnic and language groups. Higher education, the legislature and judiciary, national commerce, and so on, may all be carried out predominantly in English. The "expanding circle" refers to those countries where English has no official role, but is nonetheless important for certain functions, e.g. international business and tourism. By the twenty-first century, non-native English speakers have come to outnumber native speakers by a factor of three, according to the British Council. Darius Degher, a professor at Malmö University in Sweden, uses the term
English as a second or foreign language Educational programs for students who want to move to English-speaking countries, and other programs for students who do not intend to move but who want to understand English content for the purposes of education, entertainment, or conducting international business. The differences between these two models of English language education have grown larger over time, and teachers focusing on each model have used different terminology, received different training, and formed separate professional associations. English is also taught as a second language for recent immigrants to English-speaking countries, which faces separate challenges because the students in one class may speak many different