It is the third largest Australian federal division with an area of 1,348,094.3 square kilometres (520,502 sq mi) but the least populous with 245,929 inhabitants as at June 2019.
[1] The Northern Territory is divided administratively into 17 Local government areas (LGAs) generally known as Councils who are responsible for providing local government services.
In 2006, prior to the reorganisation of local government areas in the territory, 92 percent of the land area (1,237,999 km2 (477,994 sq mi) out of 1,349,130 km2 (520,900 sq mi)) with 16 percent of the population (30,523 out of 192,898), was unincorporated.
[3] Most of the unincorporated areas disappeared as a result of local government reform in 2008.
Prior to 1 July 2008, local government areas in the Northern Territory were classified as either :