Australia is a highly developed country with a mixed economy. As of 2023, Australia was the 14th-largest national economy by nominal GDP, the 19th-largest by PPP-adjusted GDP, and was the 21st-largest goods exporter and 24th-largest goods importer. Australia took the record for the longest run of uninterrupted GDP growth in the developed world with the March 2017 financial quarter. It was the 103rd quarter and the 26th year since the country had a technical recession. As of June 2021, the country's GDP was estimated at $1.98 trillion.

The Australian dollar is the official currency and legal tender of Australia, including all of its external territories, and three independent sovereign Pacific Island states: Kiribati, Nauru, and Tuvalu. In April 2022, it was the sixth most-traded currency in the foreign exchange market and as of Q4 2023 the seventh most-held reserve currency in global reserves.