Australia monthly CPI annual change

Monthly Consumer Price Index, Australia · Australian Bureau of Statistics · September 2026

Australia monthly CPI annual change 4.3% in September 2026.

Next release · Wed 25 Nov 2026, 11:30 AEDT · Consumer Price Index

September 2026 final
4.3%α
2025 – 2026 · monthly18 obs
Australia monthly CPI, annual change, latest 4.3% at September 2026
median 3.8% final   as published

What the numbers say

The Australia monthly CPI, annual change was 4.3% in September 2026, up 0.3 percentage points on the month from 4.0% in August 2026. The series peaked at 4.6% in March 2026, the highest since the series began in April 2025, and the latest reading is 0.3 percentage points below the peak. The low was 1.9% in June 2025, the lowest since the series began in April 2025. The Australian Bureau of Statistics series has 18 observations, starting in April 2025.

What is the monthly CPI inflation rate in Australia?

The Australia monthly CPI, annual change was 4.3% in September 2026, according to the Australian Bureau of Statistics. That was up 0.3 percentage points on the month from 4.0% in August 2026.

Is monthly inflation going up or down?

The Australia monthly CPI, annual change was up 0.3 percentage points on the month in September 2026, rising from 4.0% in August 2026 to 4.3%. The latest reading is 0.3 percentage points below the peak of 4.6% in March 2026.

What was the highest monthly CPI reading since the series began in 2025?

The highest reading of the Australia monthly CPI, annual change was 4.6% in March 2026, the highest since the series began in April 2025. The September 2026 reading of 4.3% is 0.3 percentage points below the peak.

Written from the figures on this page · updated 28 October 2026

Recent months

MonthValueStatus
September 20264.3% final
August 20264.0% final
July 20263.5% final
June 20263.8% as published
May 20264.0% as published
April 20264.2% as published
March 20264.6% as published
February 20263.7% as published

Full series · 18 months · CSV · JSON

This series measures the annual change in Australia's monthly Consumer Price Index, expressed in per cent: the movement in the index over the twelve months to the reference month. It is published monthly by the Australian Bureau of Statistics and runs from April 2025 to September 2026, with the latest reading at 4.3%. The monthly CPI is a separate release from the quarterly Consumer Price Index, which remains the ABS measure for quarterly periods.

The same family on this page carries the monthly change, the seasonally adjusted monthly change, the trimmed mean seasonally adjusted annual change, and annual changes for the food, housing and recreation groups. Source: Australian Bureau of Statistics release pages. Licence: CC BY 4.0.

Also in this family

Related

Australia Consumer Price Index, AustraliaAustralia RBA cash rate target

Source

α
Source: Australian Bureau of Statistics, ABS release pages (CPI, WPI, labour force, lending), retrieved 28 October 2026. CC BY 4.0.
γ
Source: Australian Bureau of Statistics, ABS release pages (CPI, WPI, labour force, lending), retrieved 30 September 2026. CC BY 4.0.
δ
Source: Australian Bureau of Statistics, ABS release pages (CPI, WPI, labour force, lending), retrieved 11 September 2026. CC BY 4.0.
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