Age structure: 0-14 years: 34% (male 25,972; female 24,097) 15-64 years: 60% (male 47,357; female 42,189) 65 years and over: 6% (male 4,244; female 4,201) (July 1998 est.)

Population growth rate: 1.5% (1998 est.)

Birth rate: 25.04 births/1,000 population (1998 est.)

Death rate: 4.42 deaths/1,000 population (1998 est.)

Net migration rate: -5.59 migrant(s)/1,000 population (1998 est.)

Sex ratio: at birth: 1.06 male(s)/female under 15 years: 1.07 male(s)/female 15-64 years: 1.12 male(s)/female 65 years and over: 1.01 male(s)/female (1998 est.)

Infant mortality rate: 8.28 deaths/1,000 live births (1998 est.)

Life expectancy at birth: total population: 76.7 years male: 74.12 years female: 79.44 years (1998 est.)

Total fertility rate: 3.58 children born/woman (1998 est.)

Nationality: noun: Guamanian(s) adjective: Guamanian