6,100,000 in Azerbaijan (2007 census). 4,000,000 monolinguals. Population total all countries: 7,324,270. Ethnic population: 6,230,000.
Also in Armenia, Estonia, Georgia, Kazakhstan, Kyrgyzstan, Russian Federation, Turkmenistan, Ukraine, Uzbekistan.
1 (National). Statutory national language (1995, Constitution, Article 21(1)).
Airym, Baku, Borcala, Derbend, Ganja, Karapapak, Lenkaran, Nakhchivan, Nukha, Ordubad, Qabala, Qazakh, Quba, Qyzylbash, Salyan, Shamakhi, Shusha (Karabakh), Terekeme, Yerevan, Zaqatala (Mugaly). Slight dialect differences. Qazakh dialect is not related to Kazakh [kaz]. Significant differences from South Azerbaijani [azb] in phonology, lexicon, morphology, syntax, and loanwords.
8,000,000 L2 speakers.
North and South Azerbaijani are spoken by 1 ethnic group. Each language group is reluctant to accept the written form of the other. Muslim (Shi’a), Muslim (Sunni).