British Indian Ocean Territory is about 464 times smaller than Burundi.

Burundi is approximately 27,830 sq km, while British Indian Ocean Territory is approximately 60 sq km, making British Indian Ocean Territory 0.22% the size of Burundi. Meanwhile, the population of Burundi is ~14.4 million people (14.4 million fewer people live in British Indian Ocean Territory).
Tip: This to-scale comparison of Burundi vs. British Indian Ocean Territory uses the Mercator projection, which distorts the size of regions near the poles.
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