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Guam Population and Religion Percentage

Guam is an organized, unincorporated territory of the United States in the Micronesia subregion of the western Pacific Ocean. As per the UN World Population Prospects report, the population of  Guam  in 2023 is 172,952 ( 1.72 lakh)

 The total Land Area of Guam is 540 sq. km (208 sq. mi) & the Population Density of Guam is 313 per Km2 (809 people per mi2).

Guam2023 Population
Total Population172,952
Global Rank192
Dependency ofUSA
Land Area 540 sq.km (208 sq. mi)
Pop. Density313 people/sq. km
Capital CityHagåtña

Source: UN World Population Prospects 


Religion in Guam

Christianity is the main religion in Guam and 94% of the population of is Christian. Three-quarters of the population adheres to Roman Catholicism, while most of the remainder belong to Protestant churches. 

Other smaller religions make up 6% of the population and include Folk religions: 1.5%; Buddhism: 1.1%; Hinduism: <1%; Islam: <1% and Judaism: <1%

Religion percentage in Guam

  • Christianity – 94%
    – Roman Catholicism: 75%
    – Protestantism: 17.7%
    – Eastern Orthodoxy: <1%
    – Other Christianity: 1.4%
  •  Other religions: 1.6%
  • Folk religions: 1.5%
  • Buddhism: 1.1%
  • Hinduism: <1%
  • Islam: <1%
  • Judaism: <1%

read about religion in Oceania

Guam Demographics
Fertility Rate* 2.32
Infant mortality rate ** 7.7
Median Age  31.4 Years
Life Expectancy 80.74 years
Urban Population 95%

*Fertility rate, average number of children born to women during their reproductive years.

**Infant mortality rate is the number of deaths per 1,000 live births of children under one year of age.

Population of Guam 2024 | Religion in Guam