Vietnam vs. United States: Land Area Comparison

Vietnam: 331,230 km² (127,889 sq mi)

United States: 9,834,000 km² (3,801,000 sq mi)

Vietnam's land area is approximately 3.4% of the U.S. total. In visual terms, Vietnam is roughly the size of New Mexico (314,917 km²) or slightly larger than New Mexico + Connecticut. The U.S. is ~30 times larger.

Despite its smaller size, Vietnam's population (~99M) is ~30% of the U.S. (~335M), making it far more densely populated (300 vs. 34 people/km²).