On average sure, but there are regions in Germany with both high amount of forest areas and fairly high population density (e.g. Ore Mountain region up to 50% forest area and more than 200 people/km^2).

Context:

Germany, area 357,022 km2 (137,847 sq mi) water 1.27%

Japan, area 377,975 km2 (145,937 sq mi), water 1.4%