Population
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This comparison uses the latest available atlas values for each country; reporting years can differ by metric.
Population
Surface area
Nominal GDP
Proportional bars and relative differences make the headline numbers easier to read.
Guam’s population is 48% larger than that of Micronesia, a difference of 54,617.
Micronesia’s surface area is 30% larger than that of Guam, a difference of 160 km².
Guam’s population density is 92% higher than that of Micronesia, a difference of 149 /km².
Guam’s nominal GDP is about 14.7× that of Micronesia, a difference of $6.44 billion.
Guam’s GDP per capita is 904% higher than that of Micronesia, a difference of $37,667.
Values use the latest available observations in WorldSumma. Economic reporting years are shown when available and can differ by country.
Hagatna
Palikir
167,777
113,160
540 km²
700 km²
311 /km²
162 /km²
$6.91 billion · 2022
$471.4 million · 2024
$41,833 · 2022
$4,166 · 2024
Oceania
Oceania
Micronesia
Micronesia
United States dollar · USD · $
United States dollar · USD · $
Guamanian, Guambat
Micronesian
+1
+691
.gu
.fm
GU / GUM
FM / FSM
Pacific/Guam
Pacific/Chuuk, Pacific/Kosrae (+1 more)
Guam
Micronesia
| Measure | Guam | Micronesia |
|---|---|---|
| Capital | Hagatna | Palikir |
| Population | 167,777 | 113,160 |
| Surface area | 540 km² | 700 km² |
| Population density | 311 /km² | 162 /km² |
| Nominal GDP | $6.91 billion · 2022 | $471.4 million · 2024 |
| GDP per capita | $41,833 · 2022 | $4,166 · 2024 |
| Region | Oceania | Oceania |
| Subregion | Micronesia | Micronesia |
| Currency | United States dollar · USD · $ | United States dollar · USD · $ |
| Nationality | Guamanian, Guambat | Micronesian |
| Phone code | +1 | +691 |
| Internet domain | .gu | .fm |
| ISO codes | GU / GUM | FM / FSM |
| Time zone | Pacific/Guam | Pacific/Chuuk, Pacific/Kosrae (+1 more) |
| Native name | Guam | Micronesia |
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Guam, a tropical island in the western Pacific Ocean, is the largest and southernmost of the Mariana Islands and a vibrant U.S. territory known for its stunning beaches, rich Chamorro heritage, and strategic geopolitical role.
Full Guam profile →Federated States of Micronesia (FSM) is an independent island nation in the western Pacific Ocean, comprising over 600 islands.
Full Micronesia profile →The capital of Guam is Hagatna.
Guam has a recorded population of approximately 167,777 people.
Guam covers an area of about 540 km².
Guam has a population density of roughly 311 /km² (people per square kilometre).
Guam has a gross domestic product (GDP) of approximately $6.91 billion as of 2022.
Guam has a GDP per capita of approximately $41,833.
Guam uses the United States dollar (USD), with the symbol $.
Guam is located in Micronesia, Oceania.
People from Guam are referred to as Guamanian, Guambat.
The international dialing code for Guam is +1.
The country code top-level domain (ccTLD) for Guam is .gu.
Guam uses the Pacific/Guam time zone.
Guam, a tropical island in the western Pacific Ocean, is the largest and southernmost of the Mariana Islands and a vibrant U.S. territory known for its stunning beaches, rich Chamorro heritage, and strategic geopolitical role.
The capital of Micronesia is Palikir.
Micronesia has a recorded population of approximately 113,160 people.
Micronesia covers an area of about 700 km².
Micronesia has a population density of roughly 162 /km² (people per square kilometre).
Micronesia has a gross domestic product (GDP) of approximately $471.4 million as of 2024.
Micronesia has a GDP per capita of approximately $4,166.
Micronesia uses the United States dollar (USD), with the symbol $.
Micronesia is located in Oceania.
People from Micronesia are referred to as Micronesian.
The international dialing code for Micronesia is +691.
The country code top-level domain (ccTLD) for Micronesia is .fm.
Micronesia spans 3 time zones including Pacific/Chuuk, Pacific/Kosrae, Pacific/Pohnpei.
Federated States of Micronesia (FSM) is an independent island nation in the western Pacific Ocean, comprising over 600 islands.