Connecticut is about 41 times smaller than Thailand.

Thailand is approximately 513,120 sq km, while Connecticut is approximately 12,548 sq km, making Connecticut 2.45% the size of Thailand. Meanwhile, the population of Thailand is ~71.6 million people (67.9 million fewer people live in Connecticut).
Tip: This to-scale comparison of Thailand vs. Connecticut uses the Mercator projection, which distorts the size of regions near the poles.
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