According to a report in the year 2010 there are in total 232 countries in the world which contains some of the Muslim population. But there are 49 countries in the world which has Muslim as their majority. The largest Muslim country is Indonesia, which is the resident of world's 12.7% Muslims. Then Pakistan (11.0%), India (10.9%), and Bangladesh (9.2%). It has also been found that Islam is the second largest religion in the world.