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,
Official language language with government agencies. German is the official language of Germany. However, its minority languages include Sorbian (Upper Sorbian and Lower Sorbian), Romani, Danish and North Frisian, which are officially recognised. Migrant languages like Turkish, Russian and Spanish are widespread, but are not officially recognised languages. Hong Kong has two official languages: English and Chinese. Hong Kong Cantonese is used in daily conversation and Traditional Chinese used to be the common Chinese writing system in Hong Kong. English is considered as second language of most of the Hong Kongers. Since 1997 handover, Hong Kong's written official spoken Chinese language are