The map above shows Guam and New Brunswick side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Guam vs New Brunswick Geography
Land area: Guam has a land area of 210 square miles (544 km²), while New Brunswick has 27,587 square miles (71,450 km²). New Brunswick's land area is 131.3 times larger than Guam's.
Total area: Guam: 210 square miles (544 km²) vs New Brunswick: 28,150 square miles (72,908 km²), including inland and coastal water. New Brunswick's total area is 134.0 times larger than Guam's.
Length: Guam is 27 miles (43 km) long from north to south; New Brunswick is 241 miles (388 km). New Brunswick's north-south length is 8.9 times (793%) longer than Guam's.
Width: Guam spans 22 miles (35 km) east to west; New Brunswick spans 264 miles (424 km). New Brunswick's east-west width is 12.0 times wider than Guam's.
Highest point: Guam's highest point is Mount Lamlam at 1,332 feet (406 m); New Brunswick's is Mount Carleton at 2,680 feet (817 m). Mount Carleton is 1,348 feet higher than Mount Lamlam.
Lowest point: Guam's lowest point is Pacific Ocean at 0 feet; New Brunswick's is Atlantic Ocean at 0 feet. Both lowest points are at or near sea level.
Guam vs New Brunswick Population and History
Population: Guam has a population of 153,836 (2020), while New Brunswick has 867,383 (2026). New Brunswick's population is 5.6 times (464%) larger than Guam's.
Population density: Guam: 732.6 people per square mile vs New Brunswick: 31.4. Guam's population density is 23.3 times higher than New Brunswick's.
History: Guam: A US territory since 1898. New Brunswick: Joined Confederation on July 1, 1867, as one of the four founding provinces. In its current form, New Brunswick is the older of the two by 31 years.
Official Websites
Guam official website · New Brunswick official website
More Size Comparisons
All Guam size comparisons · All New Brunswick 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.