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,
Visa policy of Zambia days in one year for business: In addition, visa exemption applies to holders of passports issued to residents of the following jurisdictions: Nationals of following 94 countries and territories may obtain a visa for Zambia on arrival for up to 90 days as tourists or 30 days for business: Holders of diplomatic or official passports of any countries may obtain visa on arrival. Zambia introduced an e-Visa system in late 2014. It is an alternative to visas issued at Zambian missions abroad or on arrival. Visa holder can stay in Zambia for the period of 90 days during a given