British Indian Ocean Territory is about 1,291 times smaller than Serbia.

Serbia is approximately 77,474 sq km, while British Indian Ocean Territory is approximately 60 sq km, making British Indian Ocean Territory 0.08% the size of Serbia. Meanwhile, the population of Serbia is ~6.5 million people (6.5 million fewer people live in British Indian Ocean Territory).
Tip: This to-scale comparison of Serbia vs. British Indian Ocean Territory uses the Mercator projection, which distorts the size of regions near the poles.
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