A new Pew Study has been released claiming nearly one in four of the world's population is Muslim for comparison about one in three is Christian). While Muslims are not a singular solitary bloc and have thousands of divisions both stated and unstated, it is undeniable the Islam is big.
The report has several maps. The worldwide cartogram (above) clearly shows just how small of a percentage Arabs are compared to the overall Muslim population. The report has interactive maps showing the Muslim population in the Middle East and North Africa, the rest of Asia, Sub-Saharan Africa, Europe (where one can see how immigration has made Western Europe the new home of European Islam instead of the Turkish-converted Eastern Europe), and North and South America. There is also a map of Shia population numbers in the Middle East.
An interesting table shows the population numbers of the largest Muslim minorities by country. The top five Muslim minority countries are India, Ethiopia, People's Republic of China, Russia, and Tanzania.