About Igbo Language
According to Wikipedia.org, Igbo is a prominent language among the Igbo natives. These natives belong to the ethnic group that resides in Eastern Nigeria. This language is termed 'Igbo izugbe' and was officially adopted in 1972. The foundation of this language is based on various dialects. It includes Owerri (Isuama), Anambra (Awka) and Umuahia (Ohuhu). Many other languages are related to the Igbo language. The list includes Ika, Ukwuani, and Ogba. All these are also considered as the dialects of Igbo. There are around 42 million native speakers of Igbo. You will be surprised to see that the writing system is quite innovative. Most of it is written in Latin alphabets. It is the official language of Nigeria but is spoken by other people in the world too.
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.