Pitcairn Islands is about 10 times smaller than Andorra.

Andorra is approximately 468 sq km, while Pitcairn Islands is approximately 47 sq km, making Pitcairn Islands 10.04% the size of Andorra. Meanwhile, the population of Andorra is ~82,904 people (82,854 fewer people live in Pitcairn Islands).
Tip: This to-scale comparison of Andorra vs. Pitcairn Islands uses the Mercator projection, which distorts the size of regions near the poles.
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