Japan is 12% larger than Finland.
Area: 338,145 km2 World Factbook
Population: 5,268,799 (July 2014) World Factbook
Finland, officially the Republic of Finland, is a Nordic country situated in the Fennoscandian region of Northern Europe. It is bordered by Sweden to the west, Norway to the north, Russia to the east, and Estonia to the south across the Gulf of Finland. Wikipedia
Area: 377,915 km2 World Factbook
Population: 127,103,388 (July 2014) World Factbook
Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south. Wikipedia