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Economy · Australia · Inflation

Australian inflation (quarterly CPI)

3.9% in June quarter 2026, compared with 4.1% in March quarter 2026.

Quarterly · % a year · 2.1% a year earlier · Updated 6 hrs ago

Next: Consumer price index (inflation), Wed, 28 Oct, 11:30am Sydney time

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Range, past 10 years52-week and 10-year range The lowest and highest values over a period, with a marker for where the latest value sits between them. Learn more
−0.3% Jun qtr 20207.9% Dec qtr 2022
Over 3 monthsYear on year, month on month, quarter on quarter How a figure compares with the same period a year earlier (y/y), or with the period just before (m/m, q/q). Year-on-year removes seasonal swings; shorter comparisons show turning points sooner. Learn more
−0.2 ptsfrom 4.1%
Over 12 monthsPercentage points and basis points The difference between two percentages. A rate rising from 4.00% to 4.25% is up 0.25 percentage points, or 25 basis points; it is not up 0.25%. Learn more
+1.8 ptsfrom 2.1%
Long-run averageLong-run average The average of every reading in the series' history. A rough guide to what is normal, though economies change and some series never return to their old average. Learn more
2.9%since 2000
Against its historyPercentile against history Where the latest reading ranks among every reading since the series began. The 90th percentile means it is higher than 90% of past readings. Learn more
84thpercentile: higher than 84% of readings since 2000

HistorySeasonally adjusted A figure with the regular calendar pattern removed (Christmas, school holidays, harvests), so one month can be compared fairly with the next. Learn more

% a year, quarterly

Show the data
Period% a year
June quarter 20263.9%
March quarter 20264.1%
December quarter 20253.6%
September quarter 20253.2%
June quarter 20252.1%
March quarter 20252.4%
December quarter 20242.4%
September quarter 20242.9%
June quarter 20243.8%
March quarter 20243.6%
December quarter 20234.1%
September quarter 20235.3%
June quarter 20236.0%
March quarter 20237.0%
December quarter 20227.9%
September quarter 20227.3%
June quarter 20226.2%
March quarter 20225.1%
December quarter 20213.5%
September quarter 20213.1%
June quarter 20213.8%
March quarter 20211.1%
December quarter 20200.9%
September quarter 20200.6%

The latest 24 readings in this range.

Source: Australian Bureau of Statistics, CPI, shown as the change on a year earlier. Data from March quarter 2000.

Next releaseFinVolio estimates FinVolio's own estimate of what an upcoming release will show, from a stated statistical rule and, where available, an AI estimate with its reasoning. Not a consensus forecast and not advice. Learn more

Wed, 28 Oct, 11:30am Sydney time · Consumer price index (inflation), for September quarter 2026

Model estimate80% range A band that the actual figure should land inside about four times in five. If actuals fall outside it more often than one time in five, the estimate is overconfident. Learn morelast reading plus half the recent trend4.0%range 3.5% to 4.5%
Last reading3.9%June quarter 2026

Estimates are FinVolio's own, made from this series and related indicators. They are not a consensus forecast and not advice.

What it measures

The change in the consumer price index from the same quarter a year earlier, the measure Australia relied on before the monthly CPI.

Why it matters

Gives the long view: inflation's path through every rate cycle since the 1990s.