https://www.cia.gov/the-world-factbook/countries/iran
Jun 24, 2022 · population is concentrated in the north, northwest, and west, reflecting the position of the Zagros and Elburz Mountains; the vast dry areas in the center and eastern parts of the country, around the deserts of the Dasht-e Kavir and Dasht-e Lut, have a much lower population density ... (Shia 90-95%, Sunni 5-10%), other (includes Zoroastrian ...