5.4-8.1 million Regions with significant populations [1] Iran 1,567,000 (1993 estimate) [2] [3] Pakistan 956,000 [2] 180,000 [4] Australia 90,000 United Kingdom 54,230 Languages Predomanently Persian ( Dari and Hazaragi dialects); only a few speak fully native Moghol Religion Shia Islam ( Twelver and Ismaili ), with a Sunni minority [5]