Germany is 4.3 times larger than Austria.
Area: 83,871 km2 World Factbook
Population: 8,223,062 (July 2014) World Factbook
Austria, officially the Republic of Austria, is a federal republic and a landlocked country of roughly 8.5 million people in Central Europe. Wikipedia
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