World Factbook
Guam
Last updated: 2026-03-28 (today)
Languages
English 43.3%, Filipino 24.9%, Chamorro 16%, other Pacific Island languages 9.4%, Asian languages 6.5% (2020 est.)
Religions
Christian (predominantly Roman Catholic) 94.2%, folk religions 1.5%, Buddhist 1.1%, other 1.6%, unaffiliated 1.7% (2020 est.)
Sex ratio
at birth
1.07 male(s)/female
0-14 years
1.07 male(s)/female
15-64 years
1.1 male(s)/female
total population
1.06 male(s)/female (2024 est.)
65 years and over
0.88 male(s)/female
Birth rate
17.9 births/1,000 population (2025 est.)
Death rate
6.18 deaths/1,000 population (2025 est.)
Median age
male
29.6 years
total
30.5 years (2025 est.)
female
31.1 years
Population
male
87,345
total
169,532 (2024 est.)
female
82,187
Nationality
noun
Guamanian(s) (US citizens)
adjective
Guamanian
Urbanization
urban population
95.2% of total population (2022)
rate of urbanization
0.84% annual rate of change (2020-25 est.)
Age structure
0-14 years
26.4% (male 23,139/female 21,632)
15-64 years
62.7% (male 55,591/female 50,741)
65 years and over
10.9% (2024 est.) (male 8,615/female 9,814)
Ethnic groups
Native Hawaiian and other Pacific Islander 46.1% (Chamorro 32.8%, Chuukese 6.7%, Palauan 1.4%, Pohnpeian 1.4%, Yapese 1%, other Native Hawaiian and other Pacific Islander 2.8%), Asian 35.5% (Filipino 29.1%, Korean 2.2%, Japanese 1.4%, Chinese (except Taiwanese) 1.3%, other Asian 1.5%), White 6.8%, African descent or African-American 0.9%, Indigenous 0.1%, other 0.6%, mixed 10% (2020 est.)
Dependency ratios
total dependency ratio
59.4 (2024 est.)
youth dependency ratio
42.1 (2024 est.)
potential support ratio
5.8 (2024 est.)
elderly dependency ratio
17.3 (2024 est.)
Net migration rate
-10.92 migrant(s)/1,000 population (2025 est.)
Total fertility rate
2.7 children born/woman (2025 est.)
Drinking water source
improved: total
total: 99.7% of population (2022 est.)
unimproved: total
total: 0.3% of population (2022 est.)
Infant mortality rate
male
11 deaths/1,000 live births
total
10.7 deaths/1,000 live births (2025 est.)
female
10.9 deaths/1,000 live births
Population growth rate
0.08% (2025 est.)
Gross reproduction rate
1.31 (2025 est.)
Population distribution
no large cities exist on the island; large villages (municipalities) attract much of the population; the largest of these is Dededo
Life expectancy at birth
male
75.6 years
female
80.5 years
total population
78 years (2024 est.)
Sanitation facility access
improved: total
total: 99.2% of population (2022 est.)
unimproved: total
total: 0.8% of population (2022 est.)
Major urban areas - population
147,000 HAGATNA (capital) (2018)
Currently married women (ages 15-49)
40.4% (2020 est.)