Islam in Indonesia Islam in Indonesia Islam is the most adhered to religion in Indonesia, with 87.2% of Indonesian population identifying themselves as Muslim in 2010 estimate. Indonesia has the largest Muslim population in the world, with approximately 225 million Muslims. In terms of denomination, absolute majority adheres to Sunni Islam, while there are around one million Shias (0.5%), who are concentrated around Jakarta, and about 400,000 Ahmadi Muslims (0.2%). In terms of Islamic schools of jurisprudence, based on demographic statistics, 99% of Indonesian Muslims mainly follow the Shafi'i school, although when asked, 56% does not adhere to any specific school. Trends of
Muslim in Arabic is "muslimūn" () or "muslimīn" (), and its feminine equivalent is "muslimāt" (). The Arabic form "muslimun" is the stem IV participle of the triliteral "S-L-M". The ordinary word in English is "Muslim". It is sometimes transliterated as "Moslem", which is an older spelling. The word "Mosalman" (, alternatively "Mussalman") is a common equivalent for "Muslim" used in Central and South Asia. Until at least the mid-1960s, many English-language writers used the term "Mohammedans" or "Mahometans". Although such terms were not necessarily intended to be pejorative, Muslims argue that the terms are offensive because they allegedly imply that