Japan is 5.9% larger than Germany.
Area: 357,022 km2 World Factbook
Population: 80,996,685 (July 2014) World Factbook
Germany, officially the Federal Republic of Germany, is a federal parliamentary republic in western-central Europe consisting of 16 constituent states, which retain limited sovereignty. Its capital city and largest city is Berlin. 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