OECD monthly CPI inflation in Australia
Consumer prices in Australia were 4.3% higher than a year earlier in September 2026. The value for September 2026 is the highest since March 2026.
Australia, September 2026
4.3%
Change from August 2026
+0.4percentage points
Median of OECD (38 countries), September 2026
3.4%
Position in September 2026
14th of 46
OECD monthly CPI inflation in Australia over time
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Australia
The chart loads when you scroll to it. The table below shows the same data.
The chart shows a calculation from the published values. The table below keeps the published values.
% change on the same month a year earlier. Source: OECD Data Explorer. Gaps mean no published value; points are not joined across missing years.
| Period | Australia |
|---|---|
| September 2026 | 4.3% |
| August 2026 | 4.0% |
| July 2026 | 3.5% |
| June 2026 | 3.8% |
| May 2026 | 4.0% |
| April 2026 | 4.2% |
| March 2026 | 4.6% |
| February 2026 | 3.7% |
| January 2026 | 3.8% |
| December 2025 | 3.8% |
| November 2025 | 3.4% |
| October 2025 | 3.8% |
| September 2025 | 3.6% |
| August 2025 | 3.2% |
| July 2025 | 3.0% |
| June 2025 | 1.9% |
| May 2025 | 2.1% |
| April 2025 | 2.4% |
A dash means no value was published for that period.
In short
- That is a change of +0.4 percentage points from 4.0% in August 2026.
- Since November 2025, when it was 3.4%, the figure has changed by +0.9 percentage points.
- Among the 46 countries with data for September 2026, Australia has the 14th highest value.