British Indian Ocean Territory is about 15,788 times smaller than Tanzania.

Tanzania is approximately 947,300 sq km, while British Indian Ocean Territory is approximately 60 sq km, making British Indian Ocean Territory 0.01% the size of Tanzania. Meanwhile, the population of Tanzania is ~70.5 million people (70.5 million fewer people live in British Indian Ocean Territory).
Tip: This to-scale comparison of Tanzania vs. British Indian Ocean Territory uses the Mercator projection, which distorts the size of regions near the poles.
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