under one of the identifiable Islamic schools and branches. A quarter of the world's Muslim population are non-denominational Muslims. Non-denominational Muslims constitute the majority of the Muslim population in eight countries, and a plurality in three others: Albania (65%), Kyrgyzstan (64%), Kosovo (58%), Indonesia (56%), Mali (55%), Bosnia and Herzegovina (54%), Uzbekistan (54%), Azerbaijan (45%), Russia (45%), and Nigeria (42%). They are found primarily in Central Asia. Kazakhstan has the largest number of non-denominational Muslims, who constitute about 74% of the population. Southeastern Europe also has a large number of non-denominational Muslims. Tolu-e-Islam ("Resurgence of Islam") is a non-denominational Muslim organization based in Pakistan, with members throughout the world. The movement was initiated by Ghulam Ahmed Pervez. Salafism and Wahhabism Ahle Hadith Ahl-i Hadith (, : ) is a movement which emerged in the Indian subcontinent in the mid-19th century. Its followers call themselves Ahl al-Hadith and are considered to be a branch of the Salafiyya school. Ahl-i Hadith is antithetical to various beliefs and mystical practices associated with folk Sufism. Ahl-i Hadith shares many doctrinal similarities with the Wahhabi movement and hence often classified as being synonymous with the "Wahhabis" by its adversaries. However, its followers reject this designation, preferring to identify themselves as "Salafis".Ahl-i Hadith, a movement founded in the nineteenth century and classi- fied as “Wahhabi” by the British, wrongly so at the time.... For example, the Ahl-i Hadith which "have been active since the nineteenth century on the border between Pakistan and Afghanistan ... though designated as Wahhabis by their adversaries, they prefer to call themselves 'Salafis.'" (from The Failure of Political Islam, by Olivier Roy, translated by Carol Volk, Harvard University Press, 1994, pp. 118–9, ISBN 0-674-29140-9) Salafiyya movement The Salafiyya movement is a conservative, Islahi (reform) movement within Sunni Islam that emerged in the second half of the 19th century and advocate a return to the traditions of the "devout ancestors" (Salaf al-Salih). It has been described as the "fastest-growing Islamic movement"; with each scholar expressing diverse views across social, theological, and political spectrum. Salafis follow a doctrine that can be summed up as taking "a fundamentalist approach to Islam, emulating the Prophet Muhammad and his earliest followers—al-salaf al-salih, the 'pious forefathers'....They reject religious innovation, or bidʻah, and support the implementation of Sharia (Islamic law)." The Salafi movement is often divided into three categories: the largest group are the purists (or quietists), who avoid