Islam is the second largest religion in Assam. The Muslim population was approximately 10.68 million, constituting over 34.22% of the total population of the state as of the 2011 census, though some projections have estimated it as up to 14 million in 2021 (~40% of the state population), giving Assam the second-largest Muslim percentage in the country after Kashmir Reaching the region in the 13th century, Islam is the fastest-growing religion in Assam. Muslims are a majority in almost eleven districts of Assam and highly concentrated in four districts.