Bangladesh is about 3.5 times smaller than Thailand.

Thailand is approximately 513,120 sq km, while Bangladesh is approximately 148,460 sq km, making Bangladesh 28.93% the size of Thailand. Meanwhile, the population of Thailand is ~69.6 million people (96.0 million more people live in Bangladesh).
This to-scale comparison of Thailand vs. Bangladesh uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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