Country size comparison
Thailand is about 1.6 times bigger than Vietnam.
Vietnam is approximately 331,210 sq km, while Thailand is approximately 513,120 sq km, making Thailand 55% larger than Vietnam. Meanwhile, the population of Vietnam is ~103.8 million people (34.2 million fewer people live in Thailand).
This to-scale comparison of Vietnam vs. Thailand uses the Mercator projection, which distorts the size of regions near the poles. Learn more. Note: Try dragging the outline to reposition.