According to the 1999 population census, the ethnic composition of the population is: 90.6% Azeris, 2.2% Lezgins, 1.8% Russians, 1.5% Armenians (almost all live in the break-away region of Nagorno-Karabakh), 1.0% Talysh (disputed as too low by Talysh nationalists), 0.6% Avars, 0.5% Turks, 0.4% Tatars, 0.4% Ukrainians, 0.2% Tsakhur, 0.2% Georgians, 0.13% Kurds, 0.13% Tats, 0.1% Jews, 0.05% Udins, other 0.2%. Many Russians left Azerbaijan during the 1990s.