About Azerbaijani Language
According to Wikipedia.org, Azerbaijani is the official and primary language of Azerbaijan. It is a form of Turkic language that is directly associated with modern Turkish. Even though it is the official language of Azerbaijan it is used in other countries that include South Russia (Dagestan) and Northern Iran. However, the dialects for both are different. It is not the official language in the north of Iran. Surprisingly, the number of Iranian Azerbaijan is huge in number. Even the Government of Iran has banned this language for many years now. According to the latest census, Azerbaijani is spoken by 92.5% population. English and Russian play an integral part in their education and communication. Lezgian, Talysh, Avar, Georgian, Budukh Juhuri, Khinalug, Udi, and Kryts are spoken by other minorities.
About Hausa Language
According to Wikipedia.org, Hausa is a Chadic language and is spoken by the Hausa people. It is spoken mainly within the northern half of Nigeria and the southern half of Niger. The language is spoken by significant minorities in Chad, Benin, and Cameroon. Hausa is a member of the Afroasiatic language family. It is a widely spoken language in the Chadic branch of that family. Ethnologue is spoken as a first language in different parts of the world. It is spoken by 47 million people and is the second language of 25 million people. The total number of Hausa speakers reach up an estimated 72 million. According to the recent estimations, the language Hausa is spoken by 100–150 million people. The Hausa-speaking film industry has gained a lot of popularity. The native speakers of Hausa, are found in Niger, in Northern Nigeria, Northern Cameroon, and Chad. The language is used as a lingua franca. It is spoken by many non-native speakers and is spoken in most of Northern Nigeria and Southern Niger. It is the trade language across all of West Africa, Benin, Ghana, Cameroon, Togo, Chad, and many other parts of the world.