British Indian Ocean Territory is about 21,400 times smaller than Chad.

Chad is approximately 1,284,000 sq km, while British Indian Ocean Territory is approximately 60 sq km, making British Indian Ocean Territory 0.0% the size of Chad. Meanwhile, the population of Chad is ~21.0 million people (21.0 million fewer people live in British Indian Ocean Territory).
Tip: This to-scale comparison of Chad vs. British Indian Ocean Territory uses the Mercator projection, which distorts the size of regions near the poles.
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