* 4–5 million <br> <small> Approximately 6% of Iran's population </small>
* 4–5 million<ref>{{cite news|url=https://www.cia.gov/library/publications/the-world-factbook/geos/ir.html#People |title=Iran |publisher=[[The World Factbook]] |year= |accessdate=26 August 2013 |deadurl=yes |archiveurl=https://web.archive.org/web/20120203093100/https://www.cia.gov/library/publications/the-world-factbook/geos/ir.html |archivedate=3 February 2012 |df= }}</ref><ref>{{cite news|url=http://www.terrorfreetomorrow.org/upimagestft/TFT%20Iran%20Survey%20Report%200609.pdf |title=Iran |publisher=New America Foundation |date=June 12, 2009 |accessdate=26 August 2013 |deadurl=yes |archiveurl=https://web.archive.org/web/20130723044939/http://www.terrorfreetomorrow.org/upimagestft/TFT%20Iran%20Survey%20Report%200609.pdf |archivedate=23 July 2013 |df= }}</ref> <br> <small> Approximately 6% of Iran's population </small>
