Country size comparison
China is about 19 times bigger than Thailand.
Thailand is approximately 513,120 sq km, while China is approximately 9,596,960 sq km, making China 1,770% larger than Thailand. Meanwhile, the population of Thailand is ~69.6 million people (1.3 billion more people live in China).
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This to-scale map shows a size comparison of Thailand compared to China. For more details, see an in-depth quality of life comparison of China vs. Thailand using our country comparison tool.