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 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.