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Australia's annual inflation rose to 4% in August 2026, driven by fuel prices, while the Reserve Bank raised the cash rate to a 15-year high of 4.6%. The Australian dollar fell below 70 US cents and the ASX traded flat.
Australia's annual inflation rate jumped to 4 per cent in the year to August 2026, up from 3.5 per cent in July, according to Australian Bureau of Statistics data.
The result was slightly below the 4.1 per cent headline inflation economists had expected, but still far above the Reserve Bank of Australia's 2-3 per cent target band. Transport was the second-largest contributor to annual inflation, rising 5.6 per cent due to higher automotive fuel prices. On a monthly basis, automotive fuel prices rose 14.8 per cent in August compared with a rise of 7.5 per cent in July, said ABS official Ms McCririck.
Rising Housing And Fuel Costs Drive Inflation
She attributed the rise to higher world oil prices and the unwinding of the remainder of the federal government's fuel excise relief measures in August. Housing costs also contributed to inflation. New dwelling prices rose 5.4 per cent in the 12 months to August as builders passed on higher costs for materials and labour, Ms McCririck said, with annual housing inflation reflecting rising costs for both new dwellings and electricity.
The RBA raised the cash rate to 4.6 per cent on Tuesday, a 15-year high. The central bank's monetary policy board cited the ongoing conflict in the Middle East as one immediate external catalyst. The war has driven a sharp rise in global oil prices, with crude climbing from just above US$70 a barrel in late June to over US$100 a barrel in recent weeks.
Wide crack spreads between crude and refined products such as gasoline and diesel are even more critical to fuel markets. Damage to refining infrastructure in the region and Russia, plus a cautious drawdown of reserves by major players like the United States and China, has constrained supply and reinforced price pressures.
RBA Maintains High Rates Amid Persistent Inflation
The trimmed mean, the less volatile underlying measure the RBA usually focuses on, was steady for the third month in a row at 3.6 per cent, in line with the median forecast. The bad news for borrowers is that 3.6 per cent is still well above the 2-3 per cent target, which explains why the RBA raised rates.
The good news is that it is not getting worse, which might mean the RBA can afford to wait and see longer before contemplating a further rate rise. The inflationary surge is not solely the product of geopolitical tensions. The underlying measure had been on an upward trajectory since before the war began, peaking at 3.6 per cent in the year to date to July 2025. This reflects a persistent mismatch between aggregate demand and supply.
Real public sector spending cooled from over 4 per cent per annum in the early 2020s to around 2 per cent in 2025-26, but cost-of-living payments and tax relief have kept consumer demand buoyant. National accounts show these largely untargeted cash handouts were largely spent, further stimulating demand and feeding into the inflation puzzle.
The RBA's decision to raise rates three times from February to May 2025 was a response to intertwined factors: sustained domestic demand, heightened global commodity prices, and the lingering effects of the Middle East conflict. The RBA frames the hike as necessary to curb inflation and maintain stability. Analysts expect inflation to moderate through 2027, supported by an assumed fallback in oil and particularly diesel prices from recent levels.
Market Reaction Shows Weak Australian Dollar
If that does not eventuate, the trade-off between growth and inflation will worsen further, said Taylor Nugent. Rent inflation has been cooling off, while housing costs are expected to increase and domestic and international travel prices remain volatile with modest falls predicted. In market reaction, the Australian dollar fell below 70 US cents, its weakest level in two months, after the rate rise on Tuesday.
The currency was steady at 69.84 US cents in early trade, the weakest since July 30. The ASX traded relatively flat at 8,708 points in the first 20 minutes, after a weak session on Wall Street as government bond yields marched towards multi-decade highs. The best performing sectors so far were real estate, up 1 per cent, tech, up 0.9 per cent, and industrials, up 0.7 per cent, while banks fell modestly by around 0.7 per cent each.
DroneShield Surge And Gold Prices Boost Market
In other market news, DroneShield surged 7.7 per cent after winning a contract to provide counter-drone technology to the US Department of Defense worth up to US$500 million. Gold miners received a boost from the spot gold price, which jumped 1.6 per cent overnight.
The chance of a US rate hike next month fell to just under 10 per cent, down from almost 70 per cent yesterday, after Fed official John Williams made dovish comments saying central bankers will have time to weigh upcoming data before deciding when to lift rates again. Meanwhile, the Australian Securities and Investments Commission flagged a crackdown on disaster chasers and reviews into AI use in customer-facing banking activities.
ASIC is also scrutinising the deduction of financial advice fees from super accounts, superannuation trustees' oversight of those deductions, service issues with life insurance, and practices around funeral insurance. The corporate plan for 2026-27 takes special interest in lender conduct practices such as incentives and referrer arrangements.
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abcnews:This story was compiled and edited by the HeadTopics newsroom and HT AI from the reports above.
Reserve Bank Of Australia Cash Rate Inflation Middle East Conflict Oil Prices RBA Cash Rate Inflation Australia Middle East Oil Prices ASX Markets Australian Dollar Australia Inflation Fuel Prices ASX
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