Country size comparison
compared to
Japan is about 2.2 times smaller than Namibia.
Namibia is approximately 824,292 sq km, while Japan is approximately 377,915 sq km, making Japan 45.85% the size of Namibia. Meanwhile, the population of Namibia is ~2.7 million people (121.5 million more people live in Japan).
Compare further: Japan vs. Namibia