The Altaic, Caucasian, Afroasiatic (Hamito-Semitic) and Indo-European families. The majority of the population of Iran (approximately 80%) consists of Iranian peoples. [1] The largest groups in this category include Persians, mostly referred to as Fars (who form 61% of the Iranian population) and Kurds (who form 10% of the Iranian population), with other communities including : Semnanis, Larestanis, Gilakis, Laks, Mazandaranis , Lurs, Tats, Talysh and Baloch.