by 1% and that some 2% have other languages as first language. [ 37 ] The Library of Congress estimates are as following: Persians (65%), Azerbaijani (16 %), Kurds (7%), Lurs (6%), Arabs (2%), Baluchi (2%), Turkmens (1%), Turkic tribal groups such as the Qashqai (1%), and non-Iranian, non-Turkic groups such as