The map above shows Guam and China side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Guam vs China Geography
Land area: Guam has a land area of 210 square miles (544 km²), while China has 3,600,947 square miles (9,326,410 km²). China's land area is 17,144.1 times larger than Guam's.
Total area: Guam: 210 square miles (544 km²) vs China: 3,705,407 square miles (9,596,960 km²), including inland and coastal water. China's total area is 17,641.5 times larger than Guam's.
Length: Guam is 27 miles (43 km) long from north to south; China is 2,551 miles (4,105 km). China's north-south length is 94.5 times longer than Guam's.
Width: Guam spans 22 miles (35 km) east to west; China spans 3,040 miles (4,892 km). China's east-west width is 138.2 times wider than Guam's.
Highest point: Guam's highest point is Mount Lamlam at 1,332 feet (406 m); China's is Mount Everest at 29,032 feet (8,849 m). Mount Everest is 27,700 feet higher than Mount Lamlam.
Lowest point: Guam's lowest point is Pacific Ocean at 0 feet; China's is Turpan Depression at -505 feet. China's lowest point is 505 feet lower.
Guam vs China Population and History
Population: Guam has a population of 153,836 (2020), while China has 1,404,890,000 (2025). China's population is 9,132.4 times larger than Guam's.
Population density: Guam: 732.6 people per square mile vs China: 390.1. Guam's population density is 1.9 times (88%) higher than China's.
History: Guam: A US territory since 1898. China: The People's Republic of China was founded on October 1, 1949. In its current form, Guam is the older of the two by 51 years.
Official Websites
Guam official website · China official website
More Size Comparisons
All Guam size comparisons · All China 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.