Guam Flag

Guam

Capital:
Hagatna
Continent:
Oceania
Region(s):
Micronesia
Largest Cities:
Dededo, Yigo, Tamuning
Abbreviation:
GUM

Guam is a country in Oceania, known for its tropical beaches and Chamorro culture. It has a population of over 170 thousand, making it the 192nd largest country in the world. Its capital is Hagatna. Guam has a US territory with military and tourism sectors.

170.2K
Total Population
192
Population Rank
315
Density (km²)
1.2K 0.78%
Annual Population Growth

Population of Guam

Guam's population structure shows a slightly higher male to female ratio of 1.02 to 1, with a median male age of 31.78 years old and a median female age of 33.63 years old. The highest concentration of adults under 75 years old is in the 18 and 19 year-old age groups, while the lowest concentration is in the 74 and 73 year-old age groups.

Guam Population

Data after 2022 is projected based on recent change

Historical

Click toggle to switch to projected data.

Year ↓
Population
Change
Density /km²
Pop. Rank
Den. Rank
2026170,1850.78%31519243
2025168,9990.83%31319244
2020162,1580.22%30019244
2019161,808-0.53%30019243
2018162,679-0.5%30119242
2017163,490-0.45%30319242
2015164,905-0.19%30519241
2010166,5220.26%30819141
2005164,3650.53%30419040
2000160,0651.3%29618838
1995150,0541.6%27818838
1990138,6102.23%25718837
1985124,1172.42%23018939
1980110,1412.14%20418939
197599,0572.31%18318943
197088,3652.28%16418945
196578,9322.57%14618844
196069,5251.65%12918844
195564,0781.06%11918945

Median Age

Overall: 32.65
Male: 31.78
Female: 33.63

Guam Adults

There are 118,658 adults, (23,151 of whom are seniors) in Guam.

Sex Ratio

Female: 84,136 (49.4%)
Male: 86,086 (50.6%)

Guam Population Clock

Guam Population*
169,965
Births per Day
8
Deaths per Day
3
Emigrations per Day
1
Net Change per Day
4
2026 Population Change*
508

* As of 5/7/2026

1 birth

Every 3.0 hours

1 death

Every 8.0 hours

1 emigrant

Every 1.0 days

1 person

Every 6.0 hours

Population by City

Population

577

14.8K

29.5K

44.9K

City
2026 Pop. ↓
Dededo44,887
Yigo18,653
Tamuning17,807
Mangilao12,541
Barrigada7,451
Chalan Pago-Ordot7,213
Santa Rita6,713
Yona6,191
Mongmong-Toto-Maite6,127
Agat4,290

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. Official Portal for the Island of Guam
  4. Bureau of Statistics and Plans