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Consumer Price Index

CPI Factsheets

  • Featured Factsheet: Airline Fares

    Airline Fares

    Measuring Price Change in the CPI: Airline Fares

    The CPI for airline fares includes all regularly scheduled domestic and international commercial airline trips on certified carriers departing from each city in the CPI sample.

    view factsheet »
  • Featured Factsheet: Average Prices

    Average Prices

    Measuring Price Change in the CPI: Average Prices

    With the release of the CPI each month, the Bureau of Labor Statistics (BLS) also publishes average retail prices for select utility, automotive fuel, and food items. Although average prices are calculated from the price observations collected for the CPI, they serve a different purpose.

    view factsheet »
  • Featured Factsheet: Personal Computers

    Personal Computers

    Measuring Price Change in the CPI: Computers, peripherals, and smart home assistant devices

    The CPI for computers, peripherals, and smart home assistant devices includes all types of personal computers such as tablets, desktop computers, notebook computers, computer hardware, and peripheral equipment.

    view factsheet »
  • Featured Factsheet: Household Energy

    Household Energy

    Measuring Price Change in the CPI: Household energy

    The CPI for household energy is a component of the fuels and utilities index, which is in the housing major group of the Consumer Price Index (CPI). The household energy index measures the price movement of residential energy items used for heating, cooling, lighting, cooking, and other appliances and household equipment.

    view factsheet »
  • Featured Factsheet: Leased Cars and Trucks

    Leased Cars and Trucks

    Measuring Price Change in the CPI: Leased cars and trucks

    The CPI for leased cars and trucks covers leases on all classes of new consumer vehicles.

    view factsheet »
  • Featured Factsheet: Medical Care

    Medical Care

    Measuring Price Change in the CPI: Medical care

    The medical care index is one of eight major groups in the CPI and is divided into two main components: medical care services and medical care commodities, each containing several item categories.

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  • Featured Factsheet: Motor Fuel

    Motor Fuel

    Measuring Price Change in the CPI: Motor fuel

    The CPI motor fuel series is composed of indexes for gasoline (all types) and other motor fuels.

    view factsheet »
  • Featured Factsheet: Motor Vehicle Insurance

    Motor Vehicle Insurance

    Measuring Price Change in the CPI: Motor vehicle insurance

    The CPI for motor vehicle insurance covers physical damage, liability, and miscellaneous insurance coverage for private passenger vehicles.

    view factsheet »
  • Featured Factsheet: New Vehicles

    New Vehicles

    Measuring Price Change in the CPI: New vehicles

    The CPI new vehicles series is composed of indexes for new cars and new trucks.

    view factsheet »
  • Featured Factsheet: Telecommunications Services

    Telecommunications Services

    Measuring Price Change in the CPI: Telecommunications Services

    The CPI defines telecommunications services as those services associated with wireless and landline telephone communications, internet access, and television services.

    view factsheet »
  • Featured Factsheet: Telephone Hardware

    Telephone Hardware

    Measuring Price Change in the CPI: Telephone hardware, calculators, and other consumer information items

    The CPI for telephone hardware, calculators, and other consumer information items reflects price changes for a wide variety of telecommunications items.

    view factsheet »
  • Featured Factsheet: College Tuition

    College Tuition

    Measuring Price Change in the CPI: College tuition and fixed fees

    The CPI for college tuition includes tuition and fixed fees for undergraduate and post-graduate studies at 2-year colleges, 4-year colleges, major universities, and professional schools.

    view factsheet »
  • Featured Factsheet: Elementary and High School Tuition

    Elementary and High School Tuition

    Measuring Price Change in the CPI: Elementary and high school tuition and fixed fees

    The CPI for elementary and high school tuition includes tuition and fixed fees for studies at elementary schools and high schools (grades K-12) where tuition or fixed fees or both are charged.

    view factsheet »
  • Featured Factsheet: Used Cars and Trucks

    Used Cars and Trucks

    Measuring Price Change in the CPI: Used Cars and Trucks

    The CPI for used cars and trucks is comprised of used cars and trucks from 2 through 7 years of age.

    view factsheet »
  • Featured Factsheet: Rent and Owners' Equivalent Rent

    Rent and Owners' Equivalent Rent

    Measuring Price Change in the CPI: Rent and Owners' Equivalent Rent

    Two CPI indexes, owners’ equivalent rent of primary residence (OER) and rent of primary residence (Rent), measure the change in the shelter cost consumers receive from their primary residences.

    view factsheet »
  • Featured Factsheet: Hotels and Motels

    Hotels and Motels

    Measuring Price Change in the CPI: Hotels and Motels

    The CPI for other lodging away from home includes short-term accommodations at hotels, motels, resorts, hostels, vacation rentals, and similar establishments.

    view factsheet »
  • Featured Factsheet: Tenant’s and Household Insurance

    Tenant’s and Household Insurance

    Measuring Price Change in the CPI: Tenant’s and Household Insurance

    The CPI for tenants' and household insurance includes contents coverage insurance for tenants of rental housing and households as is available in standardized renters’ and homeowners’ insurance policies.

    view factsheet »
Measuring price change in the CPI: Item category factsheets
Title Description

Airline fares

The Consumer Price Index (CPI) for airline fares includes all regularly scheduled domestic and international commercial airline trips on certified carriers departing from each city in the CPI sample. See the factsheet for additional information.

Average prices

With the release of the CPI each month, the Bureau of Labor Statistics (BLS) also publishes average retail prices for select utility, automotive fuel, and food items. Although average prices are calculated from the price observations collected for the CPI, they serve a different purpose. See the factsheet for additional information.

College tuition

The CPI for college tuition includes tuition and fixed fees for undergraduate and post-graduate studies at 2-year colleges, 4-year colleges, major universities, and professional schools. See the factsheet for additional information.

Elementary and high school tuition

The CPI for elementary and high school tuition includes tuition and fixed fees for studies at elementary schools and high schools (grades K-12) where tuition or fixed fees or both are charged. See the factsheet for additional information.

Hotels and motels

The CPI for other lodging away from home includes short-term accommodations at hotels, motels, resorts, hostels, vacation rentals, and similar establishments. See the factsheet for additional information.

Household energy

The CPI for household energy is a component of the fuels and utilities index, which is in the housing major group of the Consumer Price Index (CPI). The household energy index measures the price movement of residential energy items used for heating, cooling, lighting, cooking, and other appliances and household equipment. See the factsheet for additional information.

Leased cars and trucks

The CPI for leased cars and trucks covers leases on all classes of new consumer vehicles. See the factsheet for additional information.

Medical care

The medical care index is one of eight major groups in the CPI and is divided into two main components: medical care services and medical care commodities, each containing several item categories. See the factsheet for additional information.

Motor fuel

The CPI motor fuel series is composed of indexes for gasoline (all types) and other motor fuels. See the factsheet for additional information.

Motor vehicle insurance

The CPI for motor vehicle insurance covers physical damage, liability, and miscellaneous insurance coverage for private passenger vehicles. See the factsheet for additional information.

New vehicles

The CPI new vehicles series is composed of indexes for new cars and new trucks. See the factsheet for additional information.

Personal computers

The CPI for computers, peripherals, and smart home assistant devices includes all types of personal computers such as tablets, desktop computers, notebook computers, computer hardware, and peripheral equipment. See the factsheet for additional information.

Rent and owners' equivalent rent

Two CPI indexes, owners’ equivalent rent of primary residence (OER) and rent of primary residence (Rent), measure the change in the shelter cost consumers receive from their primary residences. See the factsheet for additional information.

Telecommunications services

The CPI defines telecommunications services as those services associated with wireless and landline telephone communications, internet access, and television services. See the factsheet for additional information.

Telephone hardware

The CPI for telephone hardware, calculators, and other consumer information items reflects price changes for a wide variety of telecommunications items. See the factsheet for additional information.

Tenants' and household insurance

The CPI for tenants' and household insurance includes contents coverage insurance for tenants of rental housing and households as is available in standardized renters’ and homeowners’ insurance policies. See the factsheet for additional information.

Used cars and trucks

The CPI for used cars and trucks is comprised of used cars and trucks from 2 through 7 years of age. See the factsheet for additional information.
Using CPI data factsheets
Title Description

Approximating missing data

How to approximate missing datapoints in CPI series.

Calculating contributions and effects

The effect of the change in one index on the change in a broader index and the contribution of the change in one index to the change in a broader index are two ways to measure the impact of the movement of that index on the all items index. See the factsheet for additional information.

Calculating percent changes

How to calculate the percent change and annual average percent change in CPI series.

Common misconceptions about the Consumer Price Index

A number of misconceptions regarding the CPI are addressed in a summary factsheet.

Constructing special CPI series

How to construct new special aggregate CPI series from public data.

CPI series ID codes

How to find the series ID code for a particular CPI series

How to use the consumer price index for escalation

Escalation agreements often use the CPI—the most widely used measure of price change—to adjust payments for changes in prices. The most frequently used escalation applications are in private sector collective bargaining agreements, rental contracts, insurance policies with automatic inflation protection, and alimony and child support payments. See the factsheet for additional information and general guidelines to consider when developing an escalation agreement using the CPI.

Metadata aspect files

In November 2024, certain aspect metadata corresponding to CPI-U and CPI-W series was added to our database. See the factsheet for additional information.

Purchasing power and constant dollars

How to use CPI data to adjust other figures for changes in purchasing power, or to keep figures in constant dollars over time.

Rebasing

How to rebase CPI series to use a different base period.

Why the published averages don’t always match an individual’s inflation experience

Because the CPI is a statistical average, it may not reflect your experience or that of specific families or individuals, particularly those whose expenditure patterns differ substantially from the "average" urban consumer. See the factsheet for additional information.

Last Modified Date: May 15, 2025