China is about 1.9 times smaller than South America.

South America is approximately 17,840,000 sq km, while China is approximately 9,596,960 sq km, making China 53.79% the size of South America.
Tip: This to-scale comparison of South America vs. China uses the Mercator projection, which distorts the size of regions near the poles.
Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.