Country size comparison

compared to

Thailand is about 3.6 times bigger than Illinois.

Illinois is approximately 143,961 sq km, while Thailand is approximately 513,120 sq km, making Thailand 256% larger than Illinois. Meanwhile, the population of Illinois is ~12.8 million people (56.8 million more people live in Thailand).
Tip: This to-scale comparison of Illinois vs. Thailand uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Thailand vs. Illinois
Flip Comparison · See true size
See Thailand on top of Illinois
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Cost of Living Comparison · 7 categories - 2026 data
Illinois is 2.5 times more expensive than Thailand overall
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