Macau is about 4.8 times smaller than Christmas Island.

Christmas Island is approximately 135 sq km, while Macau is approximately 28 sq km, making Macau 20.89% the size of Christmas Island. Meanwhile, the population of Christmas Island is ~2,205 people (633,088 more people live in Macau).
This to-scale comparison of Christmas Island vs. Macau uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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