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BLS Report: CPI for all items rises 0.1% in January as shelter, food, medical care indexes rise
CPI for all items rises 0.1% in January as shelter, food, medical care indexes riseEconomic News Release USDL-20-0245
Consumer Price Index Summary
Transmission of material in this release is embargoed until 8:30 a.m. (EST) February 13, 2020
Technical information: (202) 691-7000 • cpi_info@bls.gov • www.bls.gov/cpi
Media Contact: (202) 691-5902 • PressOffice@bls.gov
CONSUMER PRICE INDEX – JANUARY 2020
The Consumer Price Index for All Urban Consumers (CPI-U) rose 0.1 percent in January on a seasonally adjusted basis, after rising 0.2 percent in December, the U.S. Bureau of Labor Statistics reported today. Over the last 12 months, the all items index increased 2.5 percent before seasonal adjustment.
The index for shelter accounted for the largest part of the increase in the seasonally adjusted all items index, with the indexes for food and for medical care services also rising. These increases more than offset a decrease in the gasoline index, which fell 1.6 percent in January. The energy index declined 0.7 percent, and the major energy component indexes were mixed. The index for food rose 0.2 percent in January with the indexes for both food at home and food away from home increasing over the month.
The index for all items less food and energy rose 0.2 percent in January after increasing 0.1 percent in December. Along with the indexes for shelter and medical care, the indexes for apparel, recreation, education, and airline fares all increased in January. The indexes for used cars and trucks, prescription drugs, motor vehicle insurance, and household furnishings and operations were among those to decline.
The all items index increased 2.5 percent for the 12 months ending January, the largest 12-month increase since the period ending October 2018. The index for all items less food and energy rose 2.3 percent over the last 12 months, the same 12-month increase as reported in the previous 3 months. The food index rose 1.8 percent over the last 12 months, while the energy index increased 6.2 percent over that period.
{snip}
Not seasonally adjusted CPI measures
The Consumer Price Index for All Urban Consumers (CPI-U) increased 2.5 percent over the last 12 months to an index level of 257.971 (1982-84=100). For the month, the index increased 0.4 percent prior to seasonal adjustment.
The Consumer Price Index for Urban Wage Earners and Clerical Workers (CPI-W) increased 2.5 percent over the last 12 months to an index level of 251.361 (1982-84=100). For the month, the index increased 0.4 percent prior to seasonal adjustment.
The Chained Consumer Price Index for All Urban Consumers (C-CPI-U) increased 2.3 percent over the last 12 months. For the month, the index increased 0.4 percent on a not seasonally adjusted basis. Please note that the indexes for the past 10 to 12 months are subject to revision.
_______________
The Consumer Price Index for February 2020 is scheduled to be released on Wednesday,
March 11, 2020 at 8:30 a.m. (EDT).
Technical Note
Brief Explanation of the CPI
The Consumer Price Index (CPI) measures the change in prices paid by consumers for goods and services. The CPI reflects spending patterns for each of two population groups: all urban consumers and urban wage earners and clerical workers. The all urban consumer group represents about 93 percent of the total U.S. population. It is based on the expenditures of almost all residents of urban or metropolitan areas, including professionals, the self-employed, the poor, the unemployed, and retired people, as well as urban wage earners and clerical workers. Not included in the CPI are the spending patterns of people living in rural nonmetropolitan areas, farming families, people in the Armed Forces, and those in institutions, such as prisons and mental hospitals. Consumer inflation for all urban consumers is measured by two indexes, namely, the Consumer Price Index for All Urban Consumers (CPI-U) and the Chained Consumer Price Index for All Urban Consumers (C-CPI-U).
The Consumer Price Index for Urban Wage Earners and Clerical Workers (CPI-W) is based on the expenditures of households included in the CPI-U definition that meet two requirements: more than one-half of the household's income must come from clerical or wage occupations, and at least one of the household's earners must have been employed for at least 37 weeks during the previous 12 months. The CPI-W population represents about 29 percent of the total U.S. population and is a subset of the CPI-U population.
The CPIs are based on prices of food, clothing, shelter, fuels, transportation, doctors’ and dentists’ services, drugs, and other goods and services that people buy for day-to-day living. Prices are collected each month in 75 urban areas across the country from about 6,000 housing units and approximately 22,000 retail establishments (department stores, supermarkets, hospitals, filling stations, and other types of stores and service establishments). All taxes directly associated with the purchase and use of items are included in the index. Prices of fuels and a few other items are obtained every month in all 75 locations. Prices of most other commodities and services are collected every month in the three largest geographic areas and every other month in other areas. Prices of most goods and services are obtained by personal visits or telephone calls by the Bureau’s trained representatives.
In calculating the index, price changes for the various items in each location are aggregated using weights, which represent their importance in the spending of the appropriate population group. Local data are then combined to obtain a U.S. city average. For the CPI-U and CPI-W, separate indexes are also published by size of city, by region of the country, for cross-classifications of regions and population-size classes, and for 23 selected local areas. Area indexes do not measure differences in the level of prices among cities; they only measure the average change in prices for each area since the base period. For the C-CPI-U, data are issued only at the national level. The CPI-U and CPI-W are considered final when released, but the C-CPI-U is issued in preliminary form and subject to three subsequent quarterly revisions.
The index measures price change from a designed reference date. For most of the CPI-U and the CPI-W, the reference base is 1982-84 equals 100. The reference base for the C-CPI-U is December 1999 equals 100. An increase of 7 percent from the reference base, for example, is shown as 107.000. Alternatively, that relationship can also be expressed as the price of a base period market basket of goods and services rising from $100 to $107.
Sampling Error in the CPI
The CPI is a statistical estimate that is subject to sampling error because it is based upon a sample of retail prices and not the complete universe of all prices. BLS calculates and publishes estimates of the 1-month, 2-month, 6-month, and 12-month percent change standard errors annually for the CPI-U. These standard error estimates can be used to construct confidence intervals for hypothesis testing. For example, the estimated standard error of the 1-month percent change is 0.03 percent for the U.S. all items CPI. This means that if we repeatedly sample from the universe of all retail prices using the same methodology, and estimate a percentage change for each sample, then 95 percent of these estimates will be within 0.06 percent of the 1-month percentage change based on all retail prices. For example, for a 1-month change of 0.2 percent in the all items CPI-U, we are 95 percent confident that the actual percent change based on all retail prices would fall between 0.14 and 0.26 percent. For the latest data, including information on how to use the estimates of standard error, see https://www.bls.gov/cpi/tables/variance-estimates/home.htm.
Calculating Index Changes
Movements of the indexes from 1 month to another are usually expressed as percent changes rather than changes in index points, because index point changes are affected by the level of the index in relation to its base period, while percent changes are not.
{snip, as the following table won't format correctly}
Consumer Price Index Summary
Transmission of material in this release is embargoed until 8:30 a.m. (EST) February 13, 2020
Technical information: (202) 691-7000 • cpi_info@bls.gov • www.bls.gov/cpi
Media Contact: (202) 691-5902 • PressOffice@bls.gov
CONSUMER PRICE INDEX – JANUARY 2020
The Consumer Price Index for All Urban Consumers (CPI-U) rose 0.1 percent in January on a seasonally adjusted basis, after rising 0.2 percent in December, the U.S. Bureau of Labor Statistics reported today. Over the last 12 months, the all items index increased 2.5 percent before seasonal adjustment.
The index for shelter accounted for the largest part of the increase in the seasonally adjusted all items index, with the indexes for food and for medical care services also rising. These increases more than offset a decrease in the gasoline index, which fell 1.6 percent in January. The energy index declined 0.7 percent, and the major energy component indexes were mixed. The index for food rose 0.2 percent in January with the indexes for both food at home and food away from home increasing over the month.
The index for all items less food and energy rose 0.2 percent in January after increasing 0.1 percent in December. Along with the indexes for shelter and medical care, the indexes for apparel, recreation, education, and airline fares all increased in January. The indexes for used cars and trucks, prescription drugs, motor vehicle insurance, and household furnishings and operations were among those to decline.
The all items index increased 2.5 percent for the 12 months ending January, the largest 12-month increase since the period ending October 2018. The index for all items less food and energy rose 2.3 percent over the last 12 months, the same 12-month increase as reported in the previous 3 months. The food index rose 1.8 percent over the last 12 months, while the energy index increased 6.2 percent over that period.
{snip}
Not seasonally adjusted CPI measures
The Consumer Price Index for All Urban Consumers (CPI-U) increased 2.5 percent over the last 12 months to an index level of 257.971 (1982-84=100). For the month, the index increased 0.4 percent prior to seasonal adjustment.
The Consumer Price Index for Urban Wage Earners and Clerical Workers (CPI-W) increased 2.5 percent over the last 12 months to an index level of 251.361 (1982-84=100). For the month, the index increased 0.4 percent prior to seasonal adjustment.
The Chained Consumer Price Index for All Urban Consumers (C-CPI-U) increased 2.3 percent over the last 12 months. For the month, the index increased 0.4 percent on a not seasonally adjusted basis. Please note that the indexes for the past 10 to 12 months are subject to revision.
_______________
The Consumer Price Index for February 2020 is scheduled to be released on Wednesday,
March 11, 2020 at 8:30 a.m. (EDT).
Technical Note
Brief Explanation of the CPI
The Consumer Price Index (CPI) measures the change in prices paid by consumers for goods and services. The CPI reflects spending patterns for each of two population groups: all urban consumers and urban wage earners and clerical workers. The all urban consumer group represents about 93 percent of the total U.S. population. It is based on the expenditures of almost all residents of urban or metropolitan areas, including professionals, the self-employed, the poor, the unemployed, and retired people, as well as urban wage earners and clerical workers. Not included in the CPI are the spending patterns of people living in rural nonmetropolitan areas, farming families, people in the Armed Forces, and those in institutions, such as prisons and mental hospitals. Consumer inflation for all urban consumers is measured by two indexes, namely, the Consumer Price Index for All Urban Consumers (CPI-U) and the Chained Consumer Price Index for All Urban Consumers (C-CPI-U).
The Consumer Price Index for Urban Wage Earners and Clerical Workers (CPI-W) is based on the expenditures of households included in the CPI-U definition that meet two requirements: more than one-half of the household's income must come from clerical or wage occupations, and at least one of the household's earners must have been employed for at least 37 weeks during the previous 12 months. The CPI-W population represents about 29 percent of the total U.S. population and is a subset of the CPI-U population.
The CPIs are based on prices of food, clothing, shelter, fuels, transportation, doctors’ and dentists’ services, drugs, and other goods and services that people buy for day-to-day living. Prices are collected each month in 75 urban areas across the country from about 6,000 housing units and approximately 22,000 retail establishments (department stores, supermarkets, hospitals, filling stations, and other types of stores and service establishments). All taxes directly associated with the purchase and use of items are included in the index. Prices of fuels and a few other items are obtained every month in all 75 locations. Prices of most other commodities and services are collected every month in the three largest geographic areas and every other month in other areas. Prices of most goods and services are obtained by personal visits or telephone calls by the Bureau’s trained representatives.
In calculating the index, price changes for the various items in each location are aggregated using weights, which represent their importance in the spending of the appropriate population group. Local data are then combined to obtain a U.S. city average. For the CPI-U and CPI-W, separate indexes are also published by size of city, by region of the country, for cross-classifications of regions and population-size classes, and for 23 selected local areas. Area indexes do not measure differences in the level of prices among cities; they only measure the average change in prices for each area since the base period. For the C-CPI-U, data are issued only at the national level. The CPI-U and CPI-W are considered final when released, but the C-CPI-U is issued in preliminary form and subject to three subsequent quarterly revisions.
The index measures price change from a designed reference date. For most of the CPI-U and the CPI-W, the reference base is 1982-84 equals 100. The reference base for the C-CPI-U is December 1999 equals 100. An increase of 7 percent from the reference base, for example, is shown as 107.000. Alternatively, that relationship can also be expressed as the price of a base period market basket of goods and services rising from $100 to $107.
Sampling Error in the CPI
The CPI is a statistical estimate that is subject to sampling error because it is based upon a sample of retail prices and not the complete universe of all prices. BLS calculates and publishes estimates of the 1-month, 2-month, 6-month, and 12-month percent change standard errors annually for the CPI-U. These standard error estimates can be used to construct confidence intervals for hypothesis testing. For example, the estimated standard error of the 1-month percent change is 0.03 percent for the U.S. all items CPI. This means that if we repeatedly sample from the universe of all retail prices using the same methodology, and estimate a percentage change for each sample, then 95 percent of these estimates will be within 0.06 percent of the 1-month percentage change based on all retail prices. For example, for a 1-month change of 0.2 percent in the all items CPI-U, we are 95 percent confident that the actual percent change based on all retail prices would fall between 0.14 and 0.26 percent. For the latest data, including information on how to use the estimates of standard error, see https://www.bls.gov/cpi/tables/variance-estimates/home.htm.
Calculating Index Changes
Movements of the indexes from 1 month to another are usually expressed as percent changes rather than changes in index points, because index point changes are affected by the level of the index in relation to its base period, while percent changes are not.
{snip, as the following table won't format correctly}
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