Population

The biggest differences first
Surface area
Guam is higher
Nominal GDP
Guam is higher
What stands out
Proportional bars and relative differences make the headline numbers easier to read.
Population
Guam’s population is about 14.0× that of Nauru, a difference of 155,830.
Surface area
Guam’s surface area is about 27.0× that of Nauru, a difference of 520 km².
Population density
Nauru’s population density is 92% higher than that of Guam, a difference of 287 /km².
Nominal GDP
Guam’s nominal GDP is about 42.5× that of Nauru, a difference of $6.75 billion.
GDP per capita
Guam’s GDP per capita is 207% higher than that of Nauru, a difference of $28,224.
Values use the latest available observations in WorldSumma. Economic reporting years are shown when available and can differ by country.
Full side-by-side comparison
Capital
Hagatna
Yaren
Population
167,777
11,947
Surface area
540 km²
20 km²
Population density
311 /km²
597 /km²
Nominal GDP
$6.91 billion · 2022
$162.6 million · 2024
GDP per capita
$41,833 · 2022
$13,609 · 2024
Region
Oceania
Oceania
Subregion
Micronesia
Micronesia
Currency
United States dollar · USD · $
Australian dollar · AUD · $
Nationality
Guamanian, Guambat
Nauruan
Phone code
+1
+674
Internet domain
.gu
.nr
ISO codes
GU / GUM
NR / NRU
Time zone
Pacific/Guam
Pacific/Nauru
Native name
Guam
Nauru
| Measure | Guam | Nauru |
|---|---|---|
| Capital | Hagatna | Yaren |
| Population | 167,777 | 11,947 |
| Surface area | 540 km² | 20 km² |
| Population density | 311 /km² | 597 /km² |
| Nominal GDP | $6.91 billion · 2022 | $162.6 million · 2024 |
| GDP per capita | $41,833 · 2022 | $13,609 · 2024 |
| Region | Oceania | Oceania |
| Subregion | Micronesia | Micronesia |
| Currency | United States dollar · USD · $ | Australian dollar · AUD · $ |
| Nationality | Guamanian, Guambat | Nauruan |
| Phone code | +1 | +674 |
| Internet domain | .gu | .nr |
| ISO codes | GU / GUM | NR / NRU |
| Time zone | Pacific/Guam | Pacific/Nauru |
| Native name | Guam | Nauru |
Compare a different pair
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Country overviews
AI-assisted profile prose · methodologyAbout Guam
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 →About Nauru
Nauru, officially the Republic of Nauru, is an island country in Oceania, in the middle of the Pacific Ocean. Its nearest neighbour is Banaba Island, part of Kiribati, 300 kilometres (190 mi) to the east. Nauru is the world's smallest and lowest-lying island country, with a land area of 21 square kilometres (8.1 sq mi).
Full Nauru profile →Guam & Nauru: Frequently Asked Questions
What is the capital of Guam?
The capital of Guam is Hagatna.
What is the population of Guam?
Guam has a recorded population of approximately 167,777 people.
How big is Guam?
Guam covers an area of about 540 km².
What is the population density of Guam?
Guam has a population density of roughly 311 /km² (people per square kilometre).
What is the GDP of Guam?
Guam has a gross domestic product (GDP) of approximately $6.91 billion as of 2022.
What is the GDP per capita of Guam?
Guam has a GDP per capita of approximately $41,833.
What currency is used in Guam?
Guam uses the United States dollar (USD), with the symbol $.
Where is Guam located?
Guam is located in Micronesia, Oceania.
What are people from Guam called?
People from Guam are referred to as Guamanian, Guambat.
What is the phone calling code for Guam?
The international dialing code for Guam is +1.
What is the internet domain for Guam?
The country code top-level domain (ccTLD) for Guam is .gu.
What time zone is Guam in?
Guam uses the Pacific/Guam time zone.
What is Guam known for?
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.
What is the capital of Nauru?
The capital of Nauru is Yaren.
What is the population of Nauru?
Nauru has a recorded population of approximately 11,947 people.
How big is Nauru?
Nauru covers an area of about 20 km².
What is the population density of Nauru?
Nauru has a population density of roughly 597 /km² (people per square kilometre).
What is the GDP of Nauru?
Nauru has a gross domestic product (GDP) of approximately $162.6 million as of 2024.
What is the GDP per capita of Nauru?
Nauru has a GDP per capita of approximately $13,609.
What currency is used in Nauru?
Nauru uses the Australian dollar (AUD), with the symbol $.
Where is Nauru located?
Nauru is located in Micronesia, Oceania.
What are people from Nauru called?
People from Nauru are referred to as Nauruan.
What is the phone calling code for Nauru?
The international dialing code for Nauru is +674.
What is the internet domain for Nauru?
The country code top-level domain (ccTLD) for Nauru is .nr.
What time zone is Nauru in?
Nauru uses the Pacific/Nauru time zone.
What is Nauru known for?
Nauru, officially the Republic of Nauru, is an island country in Oceania, in the middle of the Pacific Ocean. Its nearest neighbour is Banaba Island, part of Kiribati, 300 kilometres (190 mi) to the east. Nauru is the world's smallest and lowest-lying island country, with a land area of 21 square kilometres (8.1 sq mi).