British Indian Ocean Territory is about 9 times bigger than Gibraltar.

Gibraltar is approximately 7 sq km, while British Indian Ocean Territory is approximately 60 sq km, making British Indian Ocean Territory 823% larger than Gibraltar. Meanwhile, the population of Gibraltar is ~40,126 people (37,126 fewer people live in British Indian Ocean Territory).
Tip: This to-scale comparison of Gibraltar vs. British Indian Ocean Territory uses the Mercator projection, which distorts the size of regions near the poles.

Compare further: British Indian Ocean Territory vs. Gibraltar

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