Population of Brunei

As of July 2025, the population of Brunei is 459 thousand. The number of inhabitants has increased by 3 thousand in the last year, representing a growth of 0.70%. The median age of the population has increased in recent years, rising from 28.9 years in 2015 to 33.6 years in 2025. Currently, life expectancy at birth is 74.7 years and population density is 79.6 inhabitants per square kilometer.

Population Growth

The population growth rate of Brunei peaked in 1956, reaching around 5.96% annually, but has since declined to approximately 0.68% in 2025. The annual increase in the number of people has also decreased from a peak of around 8.12 thousand in 1989 to nearly 3.12 thousand in 2025.

Life Expectancy

In Brunei, life expectancy at birth has remained stable over the last 20 years, hovering around 75 years since 2005.

Most populous cities in Brunei

The cities of Brunei are small, with the 5 most populated adding up to around 206 thousand inhabitants. The most populous city is Bandar Seri Begawan, Brunei-Muara District, with approximately 64.4 thousand inhabitants. It is followed by Sengkurong, Brunei-Muara District with 41 thousand and Mentiri, Brunei-Muara District with 39.3 thousand.

These are the 20 most populous cities in Brunei: