Vietnam is about 4.7 times smaller than Mongolia.

Mongolia is approximately 1,564,116 sq km, while Vietnam is approximately 331,210 sq km, making Vietnam 21.18% the size of Mongolia. Meanwhile, the population of Mongolia is ~3.2 million people (100.6 million more people live in Vietnam).
This to-scale comparison of Mongolia vs. Vietnam uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

Share this