The map above shows Guam and Northern Ireland side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Guam vs Northern Ireland Geography
Land area
- Guam has a land area of 210 square miles (544 km²), while Northern Ireland has 5,236 square miles (13,562 km²).
- Northern Ireland's land area is 24.9 times larger than Guam's.
Total area
- Guam: 210 square miles (544 km²) vs Northern Ireland: 5,456 square miles (14,130 km²), including inland and coastal water.
- Northern Ireland's total area is 26.0 times larger than Guam's.
Length
- Guam is 27 miles (43 km) long from north to south; Northern Ireland is 83 miles (134 km).
- Northern Ireland's north-south length is 3.1 times (207%) longer than Guam's.
Width
- Guam spans 22 miles (35 km) east to west; Northern Ireland spans 107 miles (173 km).
- Northern Ireland's east-west width is 4.9 times (386%) wider than Guam's.
Highest point
- Guam's highest point is Mount Lamlam at 1,332 feet (406 m); Northern Ireland's is Slieve Donard at 2,789 feet (850 m).
- Slieve Donard is 1,457 feet higher than Mount Lamlam.
Lowest point
- Guam's lowest point is Pacific Ocean at 0 feet; Northern Ireland's is Irish Sea at 0 feet.
- Both lowest points are at or near sea level.
Guam vs Northern Ireland Population and History
Population
- Guam has a population of 153,836 (2020), while Northern Ireland has 1,905,000 (2022).
- Northern Ireland's population is 12.4 times larger than Guam's.
Population density
- Guam: 732.6 people per square mile vs Northern Ireland: 363.8.
- Guam's population density is 2.0 times (101%) higher than Northern Ireland's.
History
- Guam: A US territory since 1898.
- Northern Ireland: A country within the United Kingdom; created by the partition of Ireland on May 3, 1921.
- In its current form, Guam is the older of the two by 23 years.
Official Websites
Guam official website · Northern Ireland official website
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More Size Comparisons
All Guam size comparisons · All Northern 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.