The municipality was created under Muslim Mindanao Autonomy Act No.
166 dated October 28, 2002, and was ratified through plebiscite on September 4, 2004.
[5][6] It was carved out of the town of Sultan sa Barongis.
Rajah Buayan is politically subdivided into 11 barangays.
Poverty Incidence of Rajah Buayan Source: Philippine Statistics Authority[12][13][14][15][16][17]