Country size comparison
compared to
Kiribati is about 466 times smaller than Japan.
Japan is approximately 377,915 sq km, while Kiribati is approximately 811 sq km, making Kiribati 0.21% the size of Japan. Meanwhile, the population of Japan is ~124.2 million people (124.1 million fewer people live in Kiribati).
Compare further: Kiribati vs. Japan