French language in Vietnam Vietnamese as the sole official and educational language on the entire nation, including the south, which was in a transitional phase until 1976. The number of students receiving their education in French in Vietnam declined to about 40% by the 1980s and continued to decline well into the 1990s. Additionally, a large number of French-speakers who were anti-communist fled Vietnam and immigrated to nations such as the United States, France, Canada (most particularly Quebec and Ontario) and Australia. As of 2000, only about 5% of students received their education in French. Meanwhile, the rise of the English language caused a
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,