Ethnic groups:
Azeri 90.6%, Dagestani 2.2%, Russian 1.8%, Armenian 1.5%, other 3.9% (1999 census)
note: almost all Armenians live in the separatist Nagorno-Karabakh region
Religions:
Muslim 93.4%, Russian Orthodox 2.5%, Armenian Orthodox 2.3%, other 1.8% (1995 est.)
note: religious affiliation is still nominal in Azerbaijan; percentages for actual practicing adherents are much lower
Languages:
Azerbaijani (Azeri) (official) 90.3%, Lezgi 2.2%, Russian 1.8%,
Armenian 1.5%, other 3.3%, unspecified 1% (1999 census)
Literacy:
definition: age 15 and over can read and write