Bangladesh is about 2,474 times bigger than British Indian Ocean Territory.

British Indian Ocean Territory is approximately 60 sq km, while Bangladesh is approximately 148,460 sq km, making Bangladesh 247,333% larger than British Indian Ocean Territory. Meanwhile, the population of British Indian Ocean Territory is ~3,000 people (175.7 million more people live in Bangladesh).
Tip: This to-scale comparison of British Indian Ocean Territory vs. Bangladesh uses the Mercator projection, which distorts the size of regions near the poles.

Compare further: Bangladesh vs. British Indian Ocean Territory

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