In Cambodia, Islam is the religion of the majority of Cham people and some Malay minorities. In 1975, there were reportedly 150,000 to 200,000 Muslims nationwide. However, persecution under the Khmer Rouge severely eroded their numbers. In 2009, the Pew Research Center estimated the Muslim population of Cambodia at 236,000. All of the Cham Muslims are Sunnis of the Shafi'i school. There is also a growing Ahmadiyya Muslim community in the country.