British Indian Ocean Territory is about 1,094 times smaller than Sri Lanka.

Sri Lanka is approximately 65,610 sq km, while British Indian Ocean Territory is approximately 60 sq km, making British Indian Ocean Territory 0.09% the size of Sri Lanka. Meanwhile, the population of Sri Lanka is ~21.8 million people (21.8 million fewer people live in British Indian Ocean Territory).
Tip: This to-scale comparison of Sri Lanka 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. Sri Lanka

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