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In 2026, Brunei's population is projected at 469,775. That is a 10-fold increase on the 48,297 recorded in 1950. It is growing modestly, at +0.72% a year, adding about 3.4K people a year. Population density sits at 81 people/km². Half the population is younger than 33.2 years, and the age structure is steadily tilting older: the median is projected to reach 41.3 by 2050. Men outnumber women in the population, at 113 males per 100 females. By 2100, UN projections see it falling to 464,806 (-1% from 2026).
Total population
469,775
Density
81 people/km²
Median age
33.2 years
Growth rate
+0.72%
Brunei's population continues to grow, though at a moderate pace. The sex ratio of 113 males per 100 females is notably higher than the global average of ~101. The population is aging rapidly; median age will rise from 33 in 2026 to 41 by 2050.