About Kinyarwanda Language
According to Wikipedia.org, Kinyarwanda is the official language of Rwanda. It is a popular dialect of the Rwanda-Rundi language that is spoken by native speakers. This language is also spoken in the Republic of the Congo and many other parts of Southern Uganda. You will be surprised to know that its writing system is Latin. There are around seven dialects of Kinyarwanda that include Bufumbwa; Bwisha; Hutu; Igikiga; Mulenge; Rufumbir and Rutwa. The native speakers of this language are 9.8 million. Kinyarwanda is from the Bantu and Niger-Congo language family. This language is closely related to Kirundi while the spelling system is Roman Catholic. The basic vowels and consonants are few while the sound of this language is very unique. You can easily distinguish by the tone that is high and low.
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.
