Country size comparison
Japan is about 25 times smaller than China.
China is approximately 9,596,960 sq km, while Japan is approximately 377,915 sq km, making Japan 3.94% the size of China. Meanwhile, the population of China is ~1.4 billion people (1.3 billion fewer people live in Japan).
This to-scale comparison of China vs. Japan uses the Mercator projection, which distorts the size of regions near the poles. Learn more. Note: Try dragging the outline to reposition.