BRC Chairman Bertie Ahern said the numbers reflected an intensive, inclusive and extended three-phase enrolment process.
The Commission has completed packing ballot papers and materials for all 246 polling teams for 829 polling places.
A total of 206,731 voters have been certified for the Referendum Roll.
This comprises 194,016 Bougainville Residents; 98,565 of which are men.
12 thousand on the roll are non-resident Bougainvilleans; 5,844 are women. Overall, there are 101 thousand women and 105 thousand men.