Japan is about 1.9 times bigger than Senegal.

Senegal is approximately 196,722 sq km, while Japan is approximately 377,915 sq km, making Japan 92% larger than Senegal. Meanwhile, the population of Senegal is ~17.9 million people (106.3 million more people live in Japan).
This to-scale comparison of Senegal vs. Japan uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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