US CPI3.9%▲ +0.6DE CPI2.2%▼ -0.1UK CPI3.4%▼ -0.3JP CPI-0.4%▲ +0.3FR CPI0.8%■ 0.0CN CPI-0.1%■ 0.0IN CPI3.0%▲ +0.4EU HICP3.0%▲ +0.5GCI194.5▲ +25.4GFPI135.5▲ +3.4US CPI3.9%▲ +0.6DE CPI2.2%▼ -0.1UK CPI3.4%▼ -0.3JP CPI-0.4%▲ +0.3FR CPI0.8%■ 0.0CN CPI-0.1%■ 0.0IN CPI3.0%▲ +0.4EU HICP3.0%▲ +0.5GCI194.5▲ +25.4GFPI135.5▲ +3.4
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Indicators

CPI methodology, without the mystery

Latest CPI readings and practical inflation context across key international markets.

Live dataset

Latest CPI Readings

United States3.9%2026-04Germany2.2%2025-03United Kingdom3.4%2025-03Japan-0.4%2021-06France0.8%2025-03China-0.1%2025-04India3.0%2025-03Euro Area3.0%2026-04
Indicator guide

What Is the Consumer Price Index (CPI)?

The Consumer Price Index (CPI) is the primary diagnostic tool used to track price changes in a representative basket of goods and services purchased by households. It serves as the definitive measure of inflationary pressure across the economy.

Groceries (Food & Beverages)

Includes food consumed at home. This component is highly sensitive to commodity price shocks and agricultural supply chain bottlenecks. Because it reacts quickly to global market events, it provides an immediate—though sometimes volatile—snapshot of household cost inflation.

Housing (Shelter)

The largest weight in the CPI basket, covering both rent and owner-equivalent costs. Unlike food, this component acts as a lagging indicator; because rental agreements are often locked into long-term contracts, price adjustments here are notoriously "sticky," meaning they take longer to rise but are equally slow to fall.

Transport (Energy & Logistics)

Encompasses private vehicle costs, fuel, and public transit. This sector is heavily influenced by global energy markets and shipping logistics. It is often the primary driver of headline CPI volatility, causing the "peaks and valleys" you see in monthly inflation reports.

Healthcare (Medical Services)

Measures the cost of medical services, prescription drugs, and health insurance premiums. This category typically exhibits higher-than-average inflation due to constant technological advancements and the complex, non-market-driven nature of medical pricing structures.

Why Does CPI Matter?

The Consumer Price Index (CPI) is far more than a monthly data release; it serves as the essential pulse of the economy, dictating everything from personal household budgets to global monetary policy. Understanding why CPI matters is critical for anyone looking to navigate modern financial cycles.

Purchasing Power Erosion

CPI acts as a reality check for the value of your money. It reveals the pace at which inflation erodes your real purchasing power. When CPI growth outstrips wage increases, the real value of savings and income declines, which forces shifts in consumer behavior and impacts the overall quality of life.

Monetary Policy Calibration

Central banks, such as the Federal Reserve, rely heavily on CPI data to calibrate interest rates. By analyzing these inflation trends, policymakers attempt to balance economic expansion against the risks of overheating. This process directly influences the cost of borrowing—impacting everything from mortgage rates and consumer loans to corporate investment yields and equity market sentiment.

Indexation and Cost-of-Living Adjustments

Many foundational economic agreements are "indexed" to CPI data. This includes government benefits, social security payments, and private sector labor contracts. This mechanism ensures that income levels remain adjusted for the rising cost of living, providing a necessary safety net that prevents real income loss for individuals and households during periods of sustained inflationary pressure.

How Is CPI Measured?

The measurement follows a rigorous methodology to make the index reflect real spending habits.

01

Select a Basket

Statistical agencies define a representative set of goods and services that typical urban households consume. The basket is updated periodically to reflect changing spending habits.

02

Collect Prices

Field agents and digital systems gather price data from retail stores, service providers and online platforms across multiple locations each month.

03

Weight Categories

Each item in the basket is assigned a weight based on its share of total household expenditure. Housing typically carries the highest weight in developed economies.

04

Publish an Index

Aggregated price data is normalized to a base period (typically 100) and published as a monthly index. The year-over-year percentage change is the most commonly cited inflation figure.