China is about 4.5 times bigger than Saudi Arabia.

Saudi Arabia is approximately 2,149,690 sq km, while China is approximately 9,596,960 sq km, making China 346% larger than Saudi Arabia. Meanwhile, the population of Saudi Arabia is ~35.4 million people (1.4 billion more people live in China).
This to-scale comparison of Saudi Arabia vs. China uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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