Consumer prices · 13 categories · latest 2026-08-01
Source: International Monetary Fund. Data as of 2026-09-25. Collected by Living Inflation Data, HBS Innovations in Economic Measurement (IEM) Lab www.iemlab.org.
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1 recorded finding for this country, shown exactly as in the full quality register.
| Country | Source | Periods | Status | Series | Found | Detected by |
|---|---|---|---|---|---|---|
| Lebanon | IMF | 2014-06-01 | confirmed | LBN.CPI_CP08_* | 2026-09-02 | Possible index rebasing |
| Lebanon's communication index steps 99.64 -> 78.78 in June 2014 (-20.9%) and then sits between 76.0 and 76.4 for a year -- a range of half a percent, which is a series that has stopped moving rather than one being repriced. The step is from almost exactly 100, and Lebanon declares a December 2013 base, so what changed in June 2014 was not the base: the division was at its base value and left it once. The step is permanent, confined to one division, and not a revision: these values were published this way. What the data CANNOT settle is whether the division was put on a new base by itself or its prices really fell, because both produce exactly this shape and nothing held here separates them -- the series is verified at 100 in the reference period the source declares, which is true either way. The country's headline index barely moves in the same month, which is suggestive and not conclusive: these are mostly light divisions, so a real fall would leave only a small mark on the aggregate. What IS certain is the consequence, because the source's own rates are this index restated -- the published month-over-month and year-over-year figures equal the index ratios at all 388,805 and 370,534 overlapping cells, checked 2026-09-02. So if the step is a re-reference, the source's own rates divide across it, and the reader has to be told. | ||||||