Population: 322,982 (July 1999 est.)

Age structure:
0-14 years: 33% (male 54,154; female 51,766)
15-64 years: 63% (male 106,492; female 95,921)
65 years and over: 4% (male 7,945; female 6,704) (1999 est.)

Population growth rate: 2.38% (1999 est.)

Birth rate: 24.69 births/1,000 population (1999 est.)

Death rate: 5.21 deaths/1,000 population (1999 est.)

Net migration rate: 4.35 migrant(s)/1,000 population (1999 est.)

Sex ratio:
at birth: 1.06 male(s)/female
under 15 years: 1.05 male(s)/female
15-64 years: 1.11 male(s)/female
65 years and over: 1.19 male(s)/female
total population: 1.09 male(s)/female (1999 est.)

Infant mortality rate: 22.83 deaths/1,000 live births (1999 est.)

Life expectancy at birth:
total population: 71.84 years
male: 70.35 years
female: 73.42 years (1999 est.)

Total fertility rate: 3.33 children born/woman (1999 est.)

Nationality:
noun: Bruneian(s)
adjective: Bruneian

Ethnic groups: Malay 64%, Chinese 20%, other 16%

Religions: Muslim (official) 63%, Buddhism 14%, Christian 8%, indigenous beliefs and other 15% (1981)

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.)