According to the 2000 Papua New Guinea Census, The Autonomous Region of Bougainville (then North Solomons) was 175,160.
Of this 90, 014 were males and 85, 146 were females. The majority (98 %) of the population lived in the rural areas and is still.
Between 1980 and 2000, the population of North Solomons increased by 36%.
The total land area of Autonomous Region of Bougainville is 9,300 square kilometers and the total population was 175,160 according to the 2000 Census.
The crude population density is 19 persons per square kilometer.
The 1980 Census indicated a population density of 14 persons per square kilometer. Population Distribution by Regions: South Bougainville 25%, Central 35% and Northern 40%.
It is estimated that a population of 15 000 – 20 000 lives were lost during the “crisis” from 1987 to 1997.
Each province in Bougainville P. N. G. has one or more districts, and each district has one or more Local Level Government (LLG) areas.