About Persian Language
According to Wikipedia.org, Persian is popularly known as Farsi and is a Western Iranian language. It belongs to the branch of Indo- Iranian subdivisions and is also associated with Indo-European languages. This language is spoken within Iran, Afghanistan, and Tajikistan. There are three standard varieties in this language that differentiates it from others. You will not be surprised to see that this language is greatly inspired by other languages. The three standard versions of Persian include Iranian, Tajiki, and Afghan Persian. Persian is also spoken in many parts of Uzbekistan and other regions of Iran. Persian is officially written in the different alphabets of Tajik while the script is written in Arabic. There are around 70 million native speakers of Persian. This language belongs to Indo-European, Indo-Iranian, and Western Iranian.
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.