Islam is the most widely practised religion in Southeast Asia, numbering approximately 240 million adherents which translate to about 40% of the entire population, with majorities in Brunei, Indonesia and Malaysia as well Pattani in Thailand and parts of Mindanao in the Philippines respectively. Significant minorities are located in the other Southeast Asian states. Most Muslims in Southeast Asia are Sunni and follow the Shafi`i school of fiqh, or religious law. It is the official religion in Malaysia and Brunei while it is one of the six official faiths in Indonesia.