Guam Flag

Guam

Population

170,637

Estimated as of Oct 22, 2026View source
Population rank
192nd
Share of world
< 0.01%
Annual change
+1,1860.78%

Population of Guam

100K200K300K400K500K600K700K95% prediction intervalProjected peak2026170.6K2050 projection191.5K↑ 12% from 202619601980200020202040206020802100

Source: United Nations — World Population Prospects (2024 Revision)

Current population estimate: 170,637. 2050 projection: 191,459.Use the arrow keys on the chart to inspect individual years.

Historical population estimates for Guam. Annual change is shown as a percentage.
2026170,1850.78%192
2025168,9990.83%192
2020162,1580.22%192
2019161,8080.54%192
2018162,6790.50%192
2017163,4900.45%192
2015164,9050.20%192
2010166,5220.26%191
2005164,3650.53%190
2000160,0651.30%188

Showing 10 of 19 years.

Population by City

Dededo is home to 44,887 people, 26.38% of Guam's population.

City population40K20K7K
Dededo 44.9KYigo 18.7KTamuning 17.8KMangilao 12.5KBarrigada 7.5KChalan Pago-Ordot 7.2KSanta Rita 6.7KYona 6.2KMongmong-Toto-Maite 6.1KAgat 4.3K
Largest cities by 2026 population and share of the national population.
1Dededo44.9K26.38%
2Yigo18.7K10.96%
3Tamuning17.8K10.46%
4Mangilao12.5K7.37%
5Barrigada7.5K4.38%
6Chalan Pago-Ordot7.2K4.24%
7Santa Rita6.7K3.94%
8Yona6.2K3.64%
9Mongmong-Toto-Maite6.1K3.60%
10Agat4.3K2.52%

Guam by the Numbers

Estimated as of Oct 22, 2026

Population
Guam is home to an estimated 170,637 people, the 192nd largest population in the world.
Daily change
Guam has a net population change of approximately 4 people per day, driven by 8 births, 3 deaths, and net emigration of 1 people.
Share of world
Guam makes up < 0.01% of the world's population and 0.36% of Oceania's.
Density
315.2 people per km² of land (816.3 per mi²), ranking 45th among countries and territories.
Urban living
94.22% of people live in urban areas.

Guam Demographics

Age & longevity

MaleFemale100+ years, male: 10100+ years, female: 4895–99 years, male: 4695–99 years, female: 12190–94 years, male: 20090–94 years, female: 33885–89 years, male: 52885–89 years, female: 78180–84 years, male: 1,03680–84 years, female: 1,37775–79 years, male: 2,08775–79 years, female: 2,44970–74 years, male: 2,86770–74 years, female: 3,34765–69 years, male: 3,89465–69 years, female: 4,02260–64 years, male: 4,68460–64 years, female: 4,65655–59 years, male: 4,82955–59 years, female: 4,90150–54 years, male: 4,68950–54 years, female: 4,83645–49 years, male: 4,46245–49 years, female: 4,41240–44 years, male: 4,68040–44 years, female: 4,56735–39 years, male: 5,24735–39 years, female: 4,78230–34 years, male: 5,94530–34 years, female: 5,31225–29 years, male: 5,98625–29 years, female: 5,34120–24 years, male: 5,85620–24 years, female: 5,54715–19 years, male: 6,45915–19 years, female: 6,15710–14 years, male: 7,52110–14 years, female: 7,0415–9 years, male: 7,6625–9 years, female: 7,1760–4 years, male: 7,3980–4 years, female: 6,925100+95–9990–9485–8980–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–42K2K4K4K6K6K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

Median age

32.7 yrs

World: 31

Life expectancy

77.8 yrs

World: 73.8

Male

50.57%

Female

49.43%

Life expectancy 74.1Life expectancy 81.9

Related Pages

Sources

  1. World Population Prospects (2024 Revision) - United Nations population estimates and projections.
  2. World Population Prospects (2024 Revision) - Guam United Nations Graphs/Profiles
  3. World Bank / UN World Urbanization Prospects - 2025: Urban population (% of total population), using national definitions.
  4. Official Portal for the Island of Guam
  5. Bureau of Statistics and Plans