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 English Language
According to Wikipedia.org,
English is a West Germanic language and belongs to the Indo-European language family. English is spoken by the inhabitants of early medieval England. It is the official language of 53 countries. It is spoken as the first language and is spoken by 400 million people all over the world.
English is the most commonly spoken second language in the world. It is the language used for International communication in all parts of the world. English is spoken to hold communications related to politics, science, media, or art. It is also the language of entertainment and is used for socializing as well. If you have a good command of the English language helps you get more opportunities in life and your career.