15. according to the 2000 census, has the largest muslim majority (88 percent) and the fourth largest population in the world.

Indonesia should be your answer, hope this helps have a nice day

Idon't understand ur ?

Ghana, first of the great medieval trading empires of western africa (fl. 7th–13th century). it was situated between the sahara and the headwaters of the sénégal and niger rivers, in an area that now comprises southeastern mauritania and part of mali.