The map above shows Guam and Ireland side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Guam vs Ireland Geography
Land area
- Guam has a land area of 210 square miles (544 km²), while Ireland has 26,596 square miles (68,883 km²).
- Ireland's land area is 126.6 times larger than Guam's.
Total area
- Guam: 210 square miles (544 km²) vs Ireland: 27,133 square miles (70,273 km²), including inland and coastal water.
- Ireland's total area is 129.2 times larger than Guam's.
Length
- Guam is 27 miles (43 km) long from north to south; Ireland is 287 miles (462 km).
- Ireland's north-south length is 10.6 times longer than Guam's.
Width
- Guam spans 22 miles (35 km) east to west; Ireland spans 191 miles (308 km).
- Ireland's east-west width is 8.7 times (768%) wider than Guam's.
Highest point
- Guam's highest point is Mount Lamlam at 1,332 feet (406 m); Ireland's is Carrauntoohil at 3,406 feet (1,038 m).
- Carrauntoohil is 2,074 feet higher than Mount Lamlam.
Lowest point
- Guam's lowest point is Pacific Ocean at 0 feet; Ireland's is Atlantic Ocean at 0 feet.
- Both lowest points are at or near sea level.
Guam vs Ireland Population and History
Population
- Guam has a population of 153,836 (2020), while Ireland has 5,525,600 (2026).
- Ireland's population is 35.9 times larger than Guam's.
Population density
- Guam: 732.6 people per square mile vs Ireland: 207.8.
- Guam's population density is 3.5 times (253%) higher than Ireland's.
History
- Guam: A US territory since 1898.
- Ireland: Independent since December 6, 1922, as the Irish Free State; a republic since 1949.
- In its current form, Guam is the older of the two by 24 years.
Official Websites
Guam official website · Ireland official website
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More Size Comparisons
All Guam size comparisons · All Ireland size comparisons
Area, elevation and boundary figures come from official national statistics and US Census Bureau and Natural Earth boundary data; US state population, economic, county and tax figures come from the US Census Bureau, the Bureau of Economic Analysis and the Tax Foundation. Figures are rounded and for general reference.