British Indian Ocean Territory is about 640 times smaller than Bhutan.

Bhutan is approximately 38,394 sq km, while British Indian Ocean Territory is approximately 60 sq km, making British Indian Ocean Territory 0.16% the size of Bhutan. Meanwhile, the population of Bhutan is ~796,682 people (793,682 fewer people live in British Indian Ocean Territory).
Tip: This to-scale comparison of Bhutan vs. British Indian Ocean Territory uses the Mercator projection, which distorts the size of regions near the poles.
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