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CONKLING KOPCIKECONOMICS
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Argentina: Consumer price inflation, year on year (monthly)

Percentage change in the national consumer price index, all items, on the same month of the previous year. Not seasonally adjusted. Countries that have moved to the COICOP 2018 classification are read from the OECD's COICOP 2018 table, the rest from its COICOP 1999 table.

Data status: Current
Official statisticSource figures as of October 16, 2026Sources & methods
Sources
Organisation for Economic Co-operation and Development
Period covered
Dec 2017 – Sep 2026
Source figures as of
October 16, 2026
Geography
Argentina
Sector
Whole economy (not a single sector)
Seasonal adjustment
Not seasonally adjusted
Transformations
Views other than the level (changes, averages, volatility) are calculated by CK Economics from these figures
Revisions
Replaced with the source’s latest figures whenever it revises them.
Data status
Current
Limitations
Seasonal swings are left in: compare a period with the same period a year earlier.

Full method · Research standards

Key figures

CK estimate% change on same month a year earlier · calculated by CK Economics from Organisation for Economic Co-operation and Development data

Latest · Sep 2026
33.4
+1.6 pp vs a year earlier1
5-year change
−19 pp
since Sep 20212
Record high
289.4
Apr 20243
Record low
24.8
Dec 20173
Where the latest ranks
16th pct.
Higher than 16% of the other 105 observations since Dec 20174
  1. 1Latest observation against the observation one year earlier (for weekly data, the nearest within three days).
  2. 2Latest observation against the observation five and ten years earlier.
  3. 3Highest and lowest published observations across the full history shown.
  4. 4Share of the other published observations that are lower than the latest one, rounded down.

Seasonal pattern

CK estimate

Each month of 2026 and 2025 against the average and range of the same month in 2021–2025. Calculated by CK Economics from the published series.

Monthly % change on same month a year earlier in 2026 and 2025 compared with the 2021–2025 average and range
2026 2025 2021–2025 average 2021–2025 range

Methodology

Percentage change in the national consumer price index, all items, on the same month of the previous year. Not seasonally adjusted. Countries that have moved to the COICOP 2018 classification are read from the OECD's COICOP 2018 table, the rest from its COICOP 1999 table. National statistics as compiled by the OECD. Read from the OECD's SDMX API, or from its DBnomics mirror when the OECD's API is unavailable; the series' source note says which. Source series DSD_PRICES@DF_PRICES_ALL/ARG.M.N.CPI.PA._T.N.GY. Licence: CC BY 4.0.

How we collect, check and project every dataset →

Source

Organisation for Economic Co-operation and Development, OECD Data Explorer (OECD, retrieved 2026-10-19). https://sdmx.oecd.org/public/rest/data/OECD.SDD.TPS,DSD_PRICES@DF_PRICES_ALL,/ARG.M.N.CPI.PA._T.N.GY

All data

106 observations, newest first · % change on same month a year earlier

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PeriodValueChange y/y
Sep 202633.4+1.6 pp
Aug 202633.5−0.01 pp
Jul 202633.8−2.74 pp
Jun 202633.5−5.87 pp
May 202633.2−10.3 pp
Apr 202632.4−14.9 pp
Mar 202632.6−23.3 pp
Feb 202633.1−33.8 pp
Jan 202632.4−52.1 pp
Dec 202531.5−86.2 pp
Nov 202531.4−134.7 pp
Oct 202531.3−161.7 pp
Sep 202531.8−177.2 pp
Aug 202533.6−203.2 pp
Jul 202536.6−226.9 pp
Jun 202539.4−232.1 pp
May 202543.5−232.9 pp
Apr 202547.3−242.1 pp
Mar 202555.9−231.9 pp
Feb 202566.9−209.3 pp
Jan 202584.5−169.7 pp
Dec 2024117.8−93.6 pp
Nov 2024166+5.1 pp
Oct 2024193+50.3 pp