| Population | 408,786 (July 2012 est.) |
| Age structure | 0-14 years: 25% (male 52,808/female 49,584)
15-24 years: 17.7% (male 35,601/female 36,575)
25-54 years: 46.7% (male 93,564/female 97,419)
55-64 years: 6.9% (male 14,613/female 13,670)
65 years and over: 3.7% (male 7,293/female 7,659) (2012 est.) |
| Median age | total: 28.7 years
male: 28.5 years
female: 28.9 years (2012 est.) |
| Population growth rate | 1.691% (2012 est.) |
| Birth rate | 17.74 births/1,000 population (2012 est.) |
| Death rate | 3.39 deaths/1,000 population (July 2012 est.) |
| Net migration rate | 2.55 migrant(s)/1,000 population (2012 est.) |
| Urbanization | urban population: 76% of total population (2010)
rate of urbanization: 2.2% annual rate of change (2010-15 est.) |
| Major cities - population | BANDAR SERI BEGAWAN (capital) 22,000 (2009) |
| Sex ratio | at birth: 1.05 male(s)/female
under 15 years: 1.06 male(s)/female
15-64 years: 0.97 male(s)/female
65 years and over: 0.95 male(s)/female
total population: 1 male(s)/female (2011 est.) |
| Infant mortality rate | total: 11.15 deaths/1,000 live births
male: 13.31 deaths/1,000 live births
female: 8.9 deaths/1,000 live births (2012 est.) |
| Life expectancy at birth | total population: 76.37 years
male: 74.09 years
female: 78.75 years (2012 est.) |
| Total fertility rate | 1.85 children born/woman (2012 est.) |
| HIV/AIDS - adult prevalence rate | less than 0.1% (2003 est.) |
| HIV/AIDS - people living with HIV/AIDS | fewer than 200 (2003 est.) |
| HIV/AIDS - deaths | fewer than 200 (2003 est.) |
| Nationality | noun: Bruneian(s)
adjective: Bruneian |
| Ethnic groups | Malay 66.3%, Chinese 11.2%, indigenous 3.4%, other 19.1% (2004 est.) |
| Religions | Muslim (official) 67%, Buddhist 13%, Christian 10%, other (includes indigenous beliefs) 10% |
| Languages | Malay (official), English, Chinese |
| Literacy | definition: age 15 and over can read and write
total population: 92.7%
male: 95.2%
female: 90.2% (2001 census) |
| School life expectancy (primary to tertiary education) | total: 14 years
male: 14 years
female: 14 years (2009) |
| Education expenditures | NA |
| Maternal mortality rate | 24 deaths/100,000 live births (2010) |
| Health expenditures | 3% of GDP (2009) |
| Physicians density | 1.417 physicians/1,000 population (2008) |
| Hospital bed density | 2.71 beds/1,000 population (2008) |
