Islam is the official state religion in Tunisia. According to CIA, 99.1% of its adherents are Sunni Muslims. The constitution of Tunisia states that the country's “religion is Islam”, the government is the “guardian of religion”, and requires that the president be Muslim. The predominant madhhab in the country is the Maliki school. The Tunisian island of Djerba is home to a population of Ibadi Muslims. Overview Majority Muslims in Tunisia nominally belonging to the Sunni Malikite madhhab. There is no reliable data on the number of practicing Muslims. There is a Sufi Muslim community, but no statistics regarding their size. Reliable sources report that many Sufis left the country shortly after independence when their religious buildings and land reverted to the Government. Although the Sufi community is small, its tradition of mysticism permeates the practice of Islam throughout the country. During annual Ramadan festivals, Sufis provide public cultural entertainment by performing religious dances. Government and Islam The January 2014 Constitution states the country's “religion is Islam.” It designates the government as the “guardian of religion” and requires that the president be Muslim. The constitution guarantees freedom of belief, conscience, and exercise of religious practices, and the neutrality of mosques and houses of worship from partisan exploitation. It stipulates the state's commitment to disseminate the values of moderation and tolerance, protect holy sites, and prevent takfir (Muslim accusations of apostasy against other Muslims). The constitution admits the possibility of restrictions on religious freedom, giving general reasons for this as protecting the rights of third parties, national defense, and public security, morality, and health. The government controls and subsidizes mosques and pays the salaries of prayer leaders. The President appoints the Grand Mufti of the Republic. Four religious holidays are included among the national holidays in Tunisia: Eid al-Adha, Eid al-Fitr, Muharram, and Mawlid. Islamic religious education is mandatory in public schools, but the religious curriculum for secondary school students also includes the history of Judaism and Christianity from the Islamic perspective and sources. The Zeitouna Koranic School is part of the Government's national university system. Generally, Shari'a-based interpretation of civil law is applied only in some family cases. Some families avoid the effects of Shari'a on inheritance by executing sales contracts between parents and children to ensure that sons and daughters receive equal shares of property. According to the US State Department's International Religious Freedom Report, there have been some