Australia is approximately 7,741,220 sq km, while Turkey is approximately 783,562 sq km, making Turkey 10.12% the size of Australia. Meanwhile, the population of Australia is ~25.5 million people (56.6 million more people live in Turkey).
This to-scale map shows a size comparison of Australia compared to Turkey. For more details, see an in-depth quality of life comparison of Turkey vs. Australia using our country comparison tool.