MC

Română

12 August 2026 · the INS release

Inflation Is Not One Number Once Money Depends on It

On 12 August, Romania’s National Institute of Statistics published two true July figures: prices were 0.58% higher than in June and 8.2% higher than in July 2025. A contract that says “with inflation” still has to choose which of those periods to apply.

  1. 0.58% July versus June
  2. 8.2% July versus July 2025
  3. 4.4% July versus December 2025
  4. 9.8% twelve-month average

Indexation engine

One thousand lei, four rules

Keep the sum. Keep July 2026. Change only the reference frame. The amount payable moves.

Index
What to apply

Amount payable

1,081.60 lei

Working rate: 8.16% · Rate in the release headline: 8.2%

1,000.00 lei, July 2025 → July 2026, INS CPI, 8.16% → 1,081.60 lei. Published 12 August 2026.

Previous month

1,005.80 lei

0.58%

June 2026 → July 2026

published rate

Same month last year

1,081.60 lei

8.16%

July 2025 → July 2026

published rate

Versus December

1,043.70 lei

4.37%

December 2025 → July 2026

published rate

Twelve-month average

1,098.00 lei

9.80%

August 2024 – July 2025 → August 2025 – July 2026

published rate

The contract

Change only the sentence

The July figures stay put. The clause chooses the frame. The amount payable follows the clause.

The sum of 1,000 lei .

Uses as illustration, not legal formulae

Personal exposure

A different mix of spending

This is a personal exposure scenario, not an official CPI. INS measures resident households’ monetary final consumption. Loan interest, insurance premiums, fines and taxes sit outside the basket.

What the index measures

A fixed basket, a rule for money

The CPI is a Laspeyres index with a periodically updated basket. It compares prices of goods and services bought by resident households. It is a measure of monetary final consumption, not of every cash outflow.

That limit is what makes the series usable as a rule for moving money through time: it is specified. A household paying loan interest, insurance or tax can live a different year from the release without the release being wrong.

What a headline leaves open

“Inflation was X%” is an unfinished sentence

The four frames above are all official. Two people can quote different figures and both be right. One is asking how prices moved since last month. The other, since the same month last year.

Once indexation repeats, the distinction compounds. On 1,000 lei, in July 2026, the four official frames open a gap of 92.20 lei.

Four uses

Where the sentence becomes money

Rent

A clause that says only “with inflation” leaves the frame free. On 1,000 lei, July on July pays 1,081.60 lei. The previous month, applied once, pays 1,005.80 lei.

Public fee

Many public updates start from December. On the same thousand lei, the December 2025 frame pays 1,043.70 lei. That is the year so far, not the twelve months ending in July.

Maintenance

Romania’s Civil Code, article 531(2), indexes a fixed maintenance sum quarterly “according to the inflation rate”. The statute asks for a rate. It does not name the series, the months or the compounding rule.

The public pension

Law 360/2023 indexes the pension point by average annual inflation plus 50% of real average-wage growth. In 2026 the point stayed frozen. “Inflation” in that statute is not July’s monthly CPI.

Why the case travels

The same gap wherever money follows an index

Romania is the worked example. Wherever a contract, award or statute says “inflation” without naming the index, the months and the rule, the sentence stays open. The amount is decided when the sentence closes.

Method

What is published and what is calculated

  1. Published fact

    The four INS frames and the three HICP frames for July 2026 come from the 12 August release, as quoted by AGERPRES and News.ro.

  2. Index calculation

    HICP month pairs use Eurostat monthly levels, 2015=100. The amount payable is the starting sum times I_end / I_start.

  3. Scenario

    Reader-chosen weights rearrange group indices. The result is not an alternative CPI.

  4. Missing

    HICP months in 2026 were absent from the Eurostat extract on 13 August. The July food month-on-month rate was not recovered as a number. There is no interpolation.

Sources

Every figure on the page has a provenance. The INS release remains the authority for the July 2026 frames.

RELEASE INS

Consumer price index, July 2026

The four official July 2026 frames: 100.58 versus June; 4.4% versus December 2025; 8.2% versus July 2025; 9.8% twelve-month average. The totals table also prints 4.37% and 8.16%.

published 12 August 2026

Open the source
QUOTATION AGERPRES

Quotation of the INS release, 12 August 2026

Carries the official wording and the group rates: food 5.03% year-on-year, non-food 7.93%, services 13.67%.

12 August 2026

Open the source
QUOTATION News.ro

Totals table: 0.58%, 4.37%, 8.16%

Confirms the more precise headline totals and the group rates versus June, December and July 2025.

12 August 2026

Open the source
SERIES Eurostat

Monthly HICP, 2015=100, Romania

Monthly index levels from January 2015 to December 2025, plus 2025 COICOP weights. Used for any month pair inside that span.

prc_hicp_midx · prc_hicp_inw

Open the source
METHOD INS

CPI shop for indexation

INS asks for the base period, the current period and the adjustment frequency. The basket excludes loan interest, insurance premiums, fines and taxes.

TEMPO / CPI documentation

Open the source
EXAMPLE Legea 360/2023

Pension point indexation

Article 84 names average annual inflation plus 50% of real average-wage growth. In 2026 the point stayed frozen.

legal example

Open the source