Guam
Guam · Micronesia
Guam is a territory in Micronesia, with Hagåtña as its capital, home to about 168,999 people. Guam shares no land border with any other country.
| Capital | Hagåtña |
|---|---|
| Region | Micronesia |
| Currency | United States dollar (USD $) |
| Calling code | +1671 |
| ISO codes | GU / GUM / 316 ISO 3166-1 |
| Flag emoji | 🇬🇺 |
| Population | 168,999 (2025) World Bank |
| Area | 549 km² |
| Languages | Chamorro, English, Spanish |
| Internet domain | .gu |
| Demonym | Guamanian |
About Guam
Guam is a dependency or territory in Micronesia. Its capital and seat of government is Hagåtña. It has no land borders. The official currency is the United States dollar ($), using the code USD.
To call Guam from abroad, dial the country code +1671. In international standards it is identified by the ISO 3166-1 codes GU (alpha-2) and GUM (alpha-3), which appear in everything from web addresses to shipping labels. As of 2025, its population is around 168,999.
Frequently asked questions
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How Guam compares
- Density: about 308 people per square kilometre.
- Currency reach: 19 other countries and territories use the United States dollar (see the full list).
Flags with the same colours as Guam
17 other national flags use exactly the same set of colour families (red, blue). Similar colours are the most common reason flags get mistaken for one another, though colour alone says nothing about layout. Showing the first 12.
Population from the World Bank (SP.POP.TOTL); flag, capital, currency, calling code and ISO data from open datasets. Rankings, density and flag colour matches are computed from that same dataset. Full sources and vintage on the data page. Last updated . Report a correction.