Kazakhstan is about 45,415 times bigger than British Indian Ocean Territory.

British Indian Ocean Territory is approximately 60 sq km, while Kazakhstan is approximately 2,724,900 sq km, making Kazakhstan 4,541,400% larger than British Indian Ocean Territory. Meanwhile, the population of British Indian Ocean Territory is ~3,000 people (20.8 million more people live in Kazakhstan).
Tip: This to-scale comparison of British Indian Ocean Territory vs. Kazakhstan uses the Mercator projection, which distorts the size of regions near the poles.

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