Population: 151,716 (July 1999 est.)

Age structure:
0-14 years: 35% (male 27,301; female 25,106)
15-64 years: 60% (male 47,691; female 42,714)
65 years and over: 5% (male 4,486; female 4,418) (1999 est.)

Population growth rate: 1.67% (1999 est.)

Birth rate: 26.52 births/1,000 population (1999 est.)

Death rate: 4.35 deaths/1,000 population (1999 est.)

Net migration rate: -5.45 migrant(s)/1,000 population (1999 est.)

Sex ratio:
at birth: 1.11 male(s)/female
under 15 years: 1.09 male(s)/female
15-64 years: 1.12 male(s)/female
65 years and over: 1.02 male(s)/female
total population: 1.1 male(s)/female (1999 est.)

Infant mortality rate: 7.81 deaths/1,000 live births (1999 est.)

Life expectancy at birth:
total population: 77.78 years
male: 74.6 years
female: 81.31 years (1999 est.)

Total fertility rate: 3.92 children born/woman (1999 est.)

Nationality:
noun: Guamanian(s)
adjective: Guamanian

Ethnic groups: Chamorro 47%, Filipino 25%, white 10%, Chinese, Japanese, Korean, and other 18%

Religions: Roman Catholic 98%, other 2%

Languages: English, Chamorro, Japanese

Literacy:
definition: age 15 and over can read and write
total population: 99%
male: 99%
female: 99% (1990 est.)