euroflation.

Sources & methodology

euroflation republishes official statistics. Every figure is sourced, every chart is attributed, and we never present a derived number as an official one. Here is exactly where the data comes from.

Open data →

Eurostat — Harmonised Index of Consumer Prices (HICP)
All HICP figures: headline, core, energy, food and services, for every country we track and the euro-area aggregate. Datasets prc_hicp_minr (2026+) and prc_hicp_manr (historical).
Update cadence: Monthly — a flash estimate around the 1st and the final release mid-month.
Reuse: © European Union. Reused under the Eurostat copyright notice, with attribution.
European Central Bank — Data Portal
ECB policy rates (deposit facility, main refinancing, marginal lending) and the euro short-term rate (€STR).
Update cadence: Policy rates change only on Governing Council decisions; €STR is daily.
Reuse: Source: ECB. Reused under the ECB's copyright conditions for free use, with attribution; figures shown unmodified.
OECD — Analytical house prices indicators
The house price-to-income and house price-to-rent ratios for the countries the OECD covers, each shown as a percentage of the country’s own long-term average, so that 100 is that average.
Update cadence: Quarterly
Reuse: The OECD allows reuse of its data, commercially too, with credit to the OECD and the dataset. euroflation shows the figures as published.
ECB meeting calendar
The Governing Council monetary-policy meeting dates that drive the next-decision countdown.
Update cadence: Published annually by the ECB.
Reuse: Source: ECB official calendar.
Polymarket — live crowd odds
The 'live odds' on the ECB page link out to Polymarket's prediction markets. We link to them; we do not fetch, host, or republish their numbers.
Update cadence: Continuous (on Polymarket).
Reuse: Linked only — not republished, per Polymarket's terms.

National statistics offices

Beside the HICP, some country inflation pages also show the national consumer price index, read directly from the country's statistics office. Those figures are shown as published; only their difference from the HICP is our calculation.

Insee, BDM/IPC-2025, series 011814632 (consumer price index, all households, year-on-year change)
France: national consumer price index, all items, annual rate of change. Shown beside the HICP on the country's inflation page.
Update cadence: INSEE publishes a provisional estimate on one of the last working days of the month and the final figure in the middle of the following month.
Reuse: Free reuse, including commercial, under INSEE's BDM terms and the Licence Ouverte 2.0, provided the data is kept intact and cited with its extraction date. The INSEE logo is not used.
State Data Agency (Statistics Lithuania), Official Statistics Portal, table S7R121 (consumer price changes based on the consumer price index)
Lithuania: national consumer price index, all items, annual rate of change. Shown beside the HICP on the country's inflation page.
Update cadence: The agency publishes the CPI once a month, usually between the 8th and the 10th of the following month.
Reuse: Reproduction and quotation are authorised provided the source is acknowledged. Figures are shown unmodified.
Central Statistics Office (CSO), Ireland, Consumer Price Index, table CPM20 (all items, percentage change over 12 months)
Ireland: national consumer price index, all items, annual rate of change. Shown beside the HICP on the country's inflation page.
Update cadence: The CSO publishes the CPI once a month, usually on the second Thursday of the following month.
Reuse: Licensed under CC BY 4.0 (CSO copyright policy). Figures are shown unmodified; the difference is euroflation's calculation. The CSO logo is not used.

Flash, final & revisions

Eurostat publishes HICP twice each month: a flash estimate at the very start of the month, then the final release around mid-month, which can revise the flash. We ingest both, and the final value always overwrites the flash for the same month. Earlier months are occasionally revised by Eurostat too — when that happens our figure updates on the next sync, so a number you read here can change to match the source. We never freeze a stale value to look consistent.

How the figures are computed

Headline inflation is the annual rate of change of the HICP — a given month versus the same month a year earlier. Core strips out energy and food; the energy, food and services figures are the corresponding sub-indices, each as an annual rate. The euro-area aggregate is Eurostat's own fixed-composition series (EA21 from 2026, EA20 before), not a figure we average ourselves. Data refreshes once a day from a server-side job; pages are cached and regenerated on each update, so what you see is the latest official release, not a live per-request query.

Derived figures

Where we compute something ourselves — for example month-on-month changes in an annual rate, or a year-ago comparison — it is our calculation from the published source data, clearly framed as such, and never presented as the source's own official figure.

Independence & disclaimer

euroflation is an independent project. It is not affiliated with, or endorsed by, the European Central Bank, Eurostat, or the European Union, and uses no EU or ECB emblem. The data is provided as-is and may be revised by the original source. Nothing on this site is financial advice.