Australia’s government net debt to GDP is estimated at 18.8% of GDP in the 2025-26 fiscal year, according to the 2026-27 Budget data. Government Debt to GDP in Australia averaged 8.86 percent of GDP from 1970 until 2025, reaching an all time high of 28.30 percent of GDP in 2020 and a record low of -3.40 percent of GDP in 2007. source: Australian Office of Financial Management (AOFM)
Government Debt to GDP in Australia is expected to reach 19.90 percent of GDP by the end of 2026, according to Trading Economics global macro models and analysts expectations. In the long-term, the Australia Government Net Debt to GDP is projected to trend around 21.00 percent of GDP in 2027 and 21.80 percent of GDP in 2028, according to our econometric models.