Western Australia (Australia) is 3.2 times larger than Turkey.
Area: 783,562 km2 World Factbook
Population: 81,619,392 (July 2014) World Factbook
Turkey, officially the Republic of Turkey, is a contiguous transcontinental country. Its larger part is in Western Asia, and the smaller in Southeastern Europe. Wikipedia
Western Australia is a state occupying the entire western third of Australia. It is bounded by the Indian Ocean to the north and west, the Great Australian Bight and Southern Ocean to the south, the Northern Territory to the north-east and South Australia to the south-east. Wikipedia