[5] As a part of the 2001 Bougainville Peace Agreement, the island was scheduled to hold a referendum on independence before 2020.

Analysts reported that incumbent president John Momis received support because his experience was seen as valuable for managing the referendum.

[3] The presidential election was held under the instant-runoff voting system, with voters classifying up to three candidates.

[1] Momis was easily re-elected, achieving an absolute majority on the fourth elimination with a total of 51,382 votes.

[3] The election marked the victory of Josephine Getsi, the first woman to win an open seat in the Bougainville House of Representatives.