I don’t find the ‘for example’ countries of Iran and Turkey convincing when it comes to Muslim demographics. How about Indonesia and Pakistan?
What is the average family size for Muslims worldwide - that is the question.
http://www.google.com/publicdata/explore?ds=d5bncppjof8f9_&met_y=sp_pop_grow&idim=country:CUB&dl=en&hl=en&q=population+growth+in+cuba#ctype=l&strail=false&bcs=d&nselm=h&met_y=sp_pop_grow&scale_y=lin&ind_y=false&rdim=country&idim=country:CUB:PAK:IDN&ifdim=country&hl=en&dl=en
http://www.google.com/publicdata/explore?ds=d5bncppjof8f9_&met_y=sp_pop_grow&idim=country:CUB&dl=en&hl=en&q=population+growth+in+cuba#ctype=l&strail=false&bcs=d&nselm=h&met_y=sp_pop_grow&scale_y=lin&ind_y=false&rdim=country&idim=country:CUB:PAK:IDN:TUR:IRN&ifdim=country&hl=en&dl=en