Marshall Islands is about 3 times bigger than British Indian Ocean Territory.

British Indian Ocean Territory is approximately 60 sq km, while Marshall Islands is approximately 181 sq km, making Marshall Islands 202% larger than British Indian Ocean Territory. Meanwhile, the population of British Indian Ocean Territory is ~3,000 people (33,282 more people live in Marshall Islands).
Tip: This to-scale comparison of British Indian Ocean Territory vs. Marshall Islands uses the Mercator projection, which distorts the size of regions near the poles.

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