Puerto Rico is about 323 times bigger than Macau.

Macau is approximately 28 sq km, while Puerto Rico is approximately 9,104 sq km, making Puerto Rico 32,184% larger than Macau. Meanwhile, the population of Macau is ~635,293 people (2.5 million more people live in Puerto Rico).
This to-scale comparison of Macau vs. Puerto Rico uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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