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handle is hein.crs/govefap0001 and id is 1 raw text is: Congressional
SResearch Service
informing the Iegisltive debate since 19 4___________________
Breaking Down the U.S. Inflation Rate
December 21, 2021
Focus on rising consumer prices has increased amid the latest data release from the Bureau of Labor
Statistics showing that the inflation rate, as measured by the Consumer Price Index for All Urban
Consumers (CPI-U), was 6.8% over the 12 months ending November 2021, the largest 12-month increase
in 39 years. Inflation is generally defined as an increase in prices across the economy broadly. However,
not all prices used to calculate the inflation rate increase by the same amount, and inflation rates can
differ across geographic locations. This Insight examines the inflation rate across various product
categories and geographic areas.
Inflation Across Selected Expenditure Categories
Table 1 below shows a breakdown of inflation across certain expenditure categories. Core inflation
(inflation that does not include energy and food prices) was lower than overall inflation, at 4.9% over the
12 months ending in November 2021. The increase in energy prices, historically a volatile source of
inflation, was significantly higher over the same period (33.3%).
Commodities (goods) inflation (11.9%) outstripped services inflation (3.8%) in the 12 months ending in
November 2021. Supply chain disruptions and bottlenecks, which have plagued the economy throughout
the Coronavirus Disease 2019 (COVID-19) pandemic, tend to affect goods more than services, as goods
are traded at a much higher rate than services. Within goods, used cars and trucks, a category which has
seen particularly high inflation for several months, saw inflation of 31.4% over the past year. New
vehicles also had relatively high inflation, although considerably less than used cars and trucks, at 11.1%.
Table I. I 2-Month Percentage Change, Consumer Price Index forAll Urban Consumers
(CPI-U), Selected Expenditure Categories, November 2021
Relative Importance October
Expenditure Category          2021, as a Percentage      12-month Percentage Change
All items                               100.000%                        6.8%
Food                                 13.995%                        6.1%
Food at home                      7.733%                         6.4%
Congressional Research Service
https://crsreports.congress.gov
IN11832
CRS INSIGHT
Prepared for Members and
Committees of Congress

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