Guam at its true size
Guam covers 544 km², number 193 of 235 countries and territories by area. Home to 168,999 people (2025). Sitting near the equator, it is one of the few places Mercator gets almost right.
Equal-area projection · Natural Earth 50m
| Area | 544 km² Wikidata |
|---|---|
| Population | 168,999 World Bank, 2025 |
| Density | 311 per km² |
| Capital | Agana |
| Local time in Agana | |
| Time zone | UTC+10 IANA |
| Currency | United States dollar (USD) Wikidata |
| Languages | English, Chamorro |
| Traffic | On the right |
| Region | Micronesia, Oceania |
| Status | Territory of United States of America |
| Coast | Has a coastline |
| Calling code | +1 671 |
| Codes | GU · GUM · 316 |
Weather in Agana now
Now
—Loading the forecast…
The next three days
Weather data: MET Norway (CC BY 4.0), updated hourly · Temperatures on the map
Countries of a similar size
Every country within 25% of Guam’s area, lit up on the map →
- Saint Lucia0.88×Guam is 12% smaller than Saint Lucia.
- Andorra1.16×Guam is 16% larger than Andorra.
- Palau1.17×Guam is 17% larger than Palau.
- Seychelles1.19×Guam is 19% larger than Seychelles.
- Antigua and Barbuda1.24×Guam is 24% larger than Antigua and Barbuda.
- Barbados1.24×Guam is 24% larger than Barbados.
How many times does Guam fit into…
- Russia: about 31389 times
- Canada: about 18354 times
- United States: about 18064 times
Questions about Guam
- How big is Guam?
- Guam covers 544 km², which makes it number 193 of 235 countries and territories by area. About 168,999 people live there (2025), 311 per km².
- Is Guam bigger than Saint Lucia?
- Guam is 12% smaller than Saint Lucia. Guam: 544 km²; Saint Lucia: 617 km².
- How much does the Mercator map distort Guam?
- Guam lies close to the equator, so Mercator draws it at nearly its true size. It is the countries far from the equator that Mercator inflates.
- Does Guam have land borders?
- No. Guam has no land neighbours; every border is a coastline.