Official language to the government in their native languages. In countries that do not formally designate an official language, a "de facto" national language usually evolves. English is the most common official language, with recognized status in 51 countries. Arabic, French, and Spanish are also widely recognized. An official language that is also an indigenous language is called "endoglossic", one that is not indigenous is "exoglossic". An instance is Nigeria which has three endoglossic official languages. By this the country aims to protect the indigenous languages although at the same time recognising the English language as its lingua franca. Around 500 BC,
Demographics of Chile around 10,000 came to the mainland in the 20th century. There is a sizable population of Romani people in Chile. They are widely and easily recognized, and continue to hold on to their traditions and language, and many continue to live semi-nomadic lifestyles traveling from city to city and living in small tented communities. Since the reestablishment of democracy in Chile, the former tendency for emigrants from the country to outnumber immigrants to it has reversed. Chile now is one of the two countries in Latin America with a positive migration rate. Today, the principal immigrant groups correspond to the