Brunei Muara's 2026 population is now estimated at 332,462. In 1997, the population of Brunei Muara was 204,800. Brunei Muara has grown by 1,284 in the last year, which represents a 0.39% annual change. These population values and projections come from DEPS population by district annual estimates (1997-2024 excluding census years), DEPS population by district census years (2001, 2011, 2016, 2021) and World Population Review Internal Projections .