Makrognosis

New Zealand CPI All groups (linear interpolation of Stats quarterly CPIQ.SE9A — synthetic monthly, not official)

MonthlyNot seasonally adjustedCode NZ.CPI.M.NSA.METH-INTERP

Latest (y/y)3.7%September 2026
Previous (y/y)3.8%August 2026
Level1,368.0September 2026

New Zealand CPI All groups (linear interpolation of Stats quarterly CPIQ.SE9A — synthetic monthly, not official) was up 3.7% year on year in September 2026, compared with 3.8% in August 2026.

The level stood at 1,368.0 (index).

Over the past ten years it has ranged from 0.4% (Sep 2016) to 7.3% (Jun 2022), averaging 3.2%.

New Zealand CPI All groups (linear interpolation of Stats quarterly CPIQ.SE9A — synthetic monthly, not official), annual % change, Jun 1915 – Sep 2026−20%−10%0%10%20%192019401960198020002020Robomacro
New Zealand CPI All groups (linear interpolation of Stats quarterly CPIQ.SE9A — synthetic monthly, not official), annual % change, Jun 1915 – Sep 2026. Source: Stats NZ.
New Zealand CPI All groups (linear interpolation of Stats quarterly CPIQ.SE9A — synthetic monthly, not official), level (index)05001,0001,500192019401960198020002020Robomacro
New Zealand CPI All groups (linear interpolation of Stats quarterly CPIQ.SE9A — synthetic monthly, not official), level (index).

Showing the full history (downsampled for display). Open the interactive chart to zoom and switch transforms.

Recent data

PeriodValueY/Y %
September 20261,368.03.7
August 20261,365.03.8
July 20261,362.03.9
June 20261,359.04.1
May 20261,352.33.7
April 20261,345.73.4
March 20261,339.03.1
February 20261,335.03.1
January 20261,331.03.1
December 20251,327.03.1
November 20251,324.33.1
October 20251,321.73.1
September 20251,319.03.0
August 20251,314.72.9
July 20251,310.32.8
June 20251,306.02.7
May 20251,303.72.6
April 20251,301.32.6
March 20251,299.02.5
February 20251,295.02.4
January 20251,291.02.3
December 20241,287.02.2
November 20241,284.72.2
October 20241,282.32.2

Last 24 observations. The full history (1,348 observations) is available through the API.

Get New Zealand CPI All groups (linear interpolation of Stats quarterly CPIQ.SE9A — synthetic monthly, not official) in your code or spreadsheet

One guessable code, agency-direct, updated on release. Free tier available.

curl -H "X-API-Key: $MAKROGNOSIS_KEY" \
  "https://makrognosis.robomacro.com/v1/series/NZ.CPI.M.NSA.METH-INTERP"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/NZ.CPI.M.NSA.METH-INTERP",
                 headers={"X-API-Key": KEY})
obs = r.json()["observations"]
Get a free API key → · API docs

About this series

Latest observationSeptember 2026
First observationJune 1914
Observations1,348
FrequencyMonthly
Unitsindex
AdjustmentNot seasonally adjusted
10-year high7.3% (Jun 2022)
10-year low0.4% (Sep 2016)
10-year average3.2%
Source agencyStats NZ
Makrognosis codeNZ.CPI.M.NSA.METH-INTERP

More New Zealand CPI series

New Zealand Inflation Rate (CPI)

Other New Zealand indicators

New Zealand GDP (Gross Domestic Product)New Zealand Nominal GDP, expenditure measure, calendar year (Stats SNEA.SG00NAC00B15D, NZD million)New Zealand Nominal GDP, expenditure measure, seasonally adjusted (Stats SNEQ.SG02NSC00B15, NZD million)New Zealand Real GDP, production measure, chain volume 2009/10 prices, calendar year (Stats SNEA.SG00RAC00B01D, NZD million)New Zealand Inflation Rate (CPI)New Zealand Credit Rating & Sovereign Risk ScoreNew Zealand Trade Balance: Goods & ServicesNew Zealand Merchandise exports incl. re-exports, fob (Stats Overseas merchandise trade, actual values), NZD millionNew Zealand Merchandise imports, cif (Stats Overseas merchandise trade, actual values), NZD millionNew Zealand Government Debt to GDPNew Zealand Dollar per US DollarNew Zealand GDP implicit price deflator, expenditure measure, seasonally adjusted (Stats SNEQ.SG08NSC00B15, 2009/10=1000)New Zealand General government gross debt (Stats GFS, NZD mn, June year)New Zealand NZD per USD, calendar-month average of the official ECB euro-reference USD cross

FAQ

What is the current cPI All groups (linear interpolation of Stats quarterly CPIQ.SE9A — synthetic monthly, not official) in New Zealand?
The latest reading is 3.7% year on year for September 2026, published by Stats NZ.
Where does this data come from?
It is collected directly from Stats NZ and is available through the Makrognosis API under the code NZ.CPI.M.NSA.METH-INTERP.

Last updated 2026-10-23. Source: Stats NZ. Original title: “New Zealand CPI All groups (linear interpolation of Stats NZ quarterly CPIQ.SE9A — synthetic monthly, not official)”.