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
National language of a common national language to be known as Filipino. English (Philippine English) was also designated as an official language, "until otherwise provided by law". The 1987 constitution designated the Filipino language, which is based on Tagalog with the inclusion of terms from all recognized languages of the Philippines, as the national language. It also designated both Filipino and English as the official languages for purposes of communication and instruction, and designated the regional languages as auxiliary official languages in the regions to serve as auxiliary media of instruction therein. More than 170 languages are spoken in the Philippines and