Population: 336,376 (July 2000 est.)
Age structure:
0-14 years: 31% (male 53,812; female 51,628)
15-64 years: 66% (male
118,207; female 103,819)
65 years and over: 3% (male 4,317; female 4,593) (2000 est.)
Population growth rate: 2.17% (2000 est.)
Birth rate: 20.81 births/1,000 population (2000 est.)
Death rate: 3.39 deaths/1,000 population (2000 est.)
Net migration rate: 4.25 migrant(s)/1,000 population (2000 est.)
Sex ratio: 
at birth: 1.06 male(s)/female
under 15 years: 1.04 male(s)/female
15-64 years: 1.14 male(s)/female
65 years and over: 0.94 male(s)/female
total population: 1.1 male(s)/female (2000 est.)
Infant mortality rate: 14.84 deaths/1,000 live births (2000 est.)
Life expectancy at birth:
total population: 73.58 years
male: 71.23 years
female:
76.06 years (2000 est.)
Total fertility rate: 2.47 children born/woman (2000 est.)
Nationality:
noun: Bruneian(s)
adjective: Bruneian
Ethnic groups: Malay 62%, Chinese 15%, indigenous 6%, other 17%
Religions: Muslim (official) 67%, Buddhist 13%, Christian 10%, indigenous beliefs and other 10%
Languages: Malay (official), English, Chinese
Literacy:
definition: age 15 and over can read and write
total population: 88.2%
male: 92.6%
female: 83.4% (1995 est.)