U.S. import prices increase 0.6% in May; export prices rise 0.6%

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                          U.S. IMPORT AND EXPORT PRICE INDEXES - MAY 2018

Prices for U.S. imports increased 0.6 percent for the second consecutive month in May, the U.S. Bureau of 
Labor Statistics reported today. Rising fuel and nonfuel prices contributed to the advances in both months. 
U.S. export prices rose 0.6 percent for the second consecutive month in May. 


Imports

All Imports: Import prices increased 0.6 percent in May, continuing the upward trend that began in August 
2017. The May advance followed a 0.6-percent rise the previous month. The price index for overall imports 
increased 4.3 percent for the year ended in May, the largest 12-month advance since the index rose 4.7 
percent in February 2017. The May over-the-year advance was largely driven by higher fuel prices although 
nonfuel prices also increased over the past year. 

Fuel Imports: Import fuel prices rose 4.9 percent in May, after a 4.1-percent advance in April. The May 
rise was the largest monthly increase since the index rose 9.8 percent in November 2017. In May, the 
advance in fuel prices was led by a 5.9-percent increase in petroleum prices which more than offset a 19.5-
percent drop in natural gas prices. Prices for import fuel increased 28.6 percent over the past 12 months, 
driven by a 31.9-percent rise in petroleum prices. In contrast, natural gas prices fell 18.5 percent over the 
past year.   

All Imports Excluding Fuel: Nonfuel import prices increased 0.2 percent for the second consecutive 
month in May and have not recorded a monthly decline since the index decreased 0.2 percent in December 
2017. The May advance was driven by higher prices for nonfuel industrial supplies and materials; consumer 
goods; and foods, feeds, and beverages. The price indexes for capital goods and automotive vehicles both 
fell in May. Nonfuel prices advanced 1.9 percent over the past year, primarily led by higher prices for 
nonfuel industrial supplies and materials. 


Table A. Percent change in Import and Export Price Indexes, selected categories

Month IMPORTS EXPORTS
All
imports
Fuel
imports
Nonfuel
imports
All
exports
Agri-
cultural
exports
Non-
agricultural
exports

2017

May

-0.1 -0.9 0.1 -0.6 -1.6 -0.4

June

-0.2 -3.6 0.1 -0.1 -1.4 0.0

July

-0.2 -1.0 -0.1 0.5 1.8 0.3

August

0.6 4.0 0.3 0.6 0.0 0.7

September

0.8 5.7 0.3 0.8 -0.7 0.9

October

0.2 0.3 0.1 0.1 2.0 -0.1

November

1.0 9.8 0.0 0.5 -0.7 0.7

December

0.2 3.3 -0.2 0.1 -0.3 0.0

2018

January

0.8 3.3 0.5 0.7 0.0 0.8

February

0.2 -1.8 0.4 0.2 0.6 0.2

March

-0.2 -2.7 0.1 0.3 3.2 0.0

April

0.6 4.1 0.2 0.6 -1.2 0.7

May

0.6 4.9 0.2 0.6 1.6 0.5

May 2016 to 2017

2.3 20.4 0.9 1.4 -0.1 1.6

May 2017 to 2018

4.3 28.6 1.9 4.9 4.9 4.9
Exports

All Exports: Prices for U.S. exports rose 0.6 percent for the second consecutive month in May, led by 
higher prices for both agricultural and nonagricultural exports. Export prices have not recorded a monthly 
decline since the index edged down 0.1 percent in June 2017. The price index for overall exports advanced 
4.9 percent between May 2017 and May 2018, the largest 12-month increase since the index rose 6.3 
percent in October 2011. 

Agricultural Exports: The price index for agricultural exports advanced 1.6 percent in May following a 
1.2-percent decline the previous month. The May increase was driven by a 10.1-percent advance in wheat 
prices, a 4.4-percent rise in corn prices, and a 1.8-percent increase in soybean prices. Prices for agricultural 
exports also rose over the past 12 months, advancing 4.9 percent.  

All Exports Excluding Agriculture: Nonagricultural export prices advanced 0.5 percent in May and have 
not recorded a monthly drop since the index fell 0.1 percent in October 2017. The increase was driven by 
higher prices for nonagricultural industrial supplies and materials, although rising prices for capital goods 
and automotive vehicles also contributed to the May rise. Prices for overall nonagricultural exports 
increased 4.9 percent for the year ended in May. 



                                        SELECTED MAY HIGHLIGHTS


Import Prices

Imports by Locality of Origin: Prices for imports from China ticked up 0.1 percent in May, after falling 
0.1 percent the previous month. Import prices from China advanced 0.3 percent over the past 12 months, the 
largest over-the-year increase since the index rose 0.3 percent in July 2014. The price index for imports 
from Japan ticked up 0.1 percent in May, the same advance as recorded in April. Prices for imports from 
Japan increased 0.2 percent over the past year. Import prices from Canada, the European Union, and Mexico 
all rose in May, led in part by rising fuel prices. Import prices from Canada increased 1.9 percent, from the 
European Union 0.4 percent, and from Mexico 0.3 percent. 

Nonfuel Industrial Supplies and Materials: Nonfuel industrial supplies and materials prices rose 0.8 
percent in May following a 0.6-percent advance the previous month. In May, higher prices for metals and 
selected building materials more than offset lower chemicals prices.  

Finished Goods: Finished goods prices were mixed in May. Prices for capital goods and automotive 
vehicles each edged down 0.1 percent. The decline in capital goods prices was the first monthly drop since a 
0.1-percent decrease in November 2017. In contrast, prices for consumer goods ticked up 0.1 percent, led by 
higher prices for medicinal, dental, and pharmaceutical materials.  

Foods, Feeds, and Beverages: Foods, feeds, and beverages prices increased 0.4 percent in May, after 
falling 0.3 percent in April. Rising prices for fruit and grains were the largest contributors to the May 
advance. 

Transportation Services: Import air passenger fares declined 2.5 percent in May following a 2.8-percent 
rise in April. The May decrease was driven by lower European and Latin American/Caribbean fares which 
more than offset rising Asian fares. Despite the May decrease, import air passenger fares rose 1.2 percent 
over the past 12 months. The price index for import air freight advanced 1.6 percent in May and 18.2 
percent over the past year.  


Export Prices

Nonagricultural Industrial Supplies and Materials: The price index for nonagricultural industrial 
supplies and materials advanced 1.6 percent in May, after rising 1.3 percent in April. Both increases were 
led by advancing fuel prices which rose 4.6 percent in May and 3.4 percent the previous month. 

Finished Goods: Export finished goods prices recorded little movement in May. Capital goods prices ticked 
up 0.1 percent following a 0.6-percent rise in April. Prices for capital goods have not recorded a monthly 
decline since the index edged down 0.1 percent in October 2016. The price index for export automotive 
vehicles also rose 0.1 percent in May. In contrast, consumer goods prices fell 0.1 percent.  

Transportation Services: The index for export air passenger fares fell 11.4 percent in May following a 
16.2-percent increase the previous month. The May decline was driven by lower Asian and European fares. 
Export air passenger fares advanced 9.3 percent for the year ended in May. Prices for export air freight rose 
0.7 percent in May and 3.0 percent over the past 12 months. 

Import and Export Price Index data for June are scheduled for release on Friday, July 13, 2018 at 8:30 a.m. 
(EDT).


                         New Locality of Destination and Terms of Trade Data 


Beginning with the August news release on September 14, the BLS will introduce two new data series. 
Locality of Destination price indexes will measure export prices based on the country or region where items 
are exported. Terms of Trade indexes are based on the country or region and measure the relative price of 
imports in terms of export prices and are defined as the all-export price index divided by the respective all-
import price index. For more information on Terms of Trade indexes, please see "U.S. Import and Export 
Prices and the Terms of Trade" at www.bls.gov/opub/btn/archive/us-import-and-export-price-indexes-and-
the-terms-of-trade.pdf. 

The Locality of Destination price indexes will be published at the all-export level and also include a 
breakdown by manufacturing industries and nonmanufacturing industries where possible. The countries and 
regions for which indexes will be published include the Industrialized Countries, the European Union, Latin 
America, the Pacific Rim, Canada, China, Germany, Japan, and Mexico. Indexes by manufacturing 
industries and nonmanufacturing industries will be available for all countries and regions except Canada and 
Germany. 

Terms of Trade indexes will be available for all countries and regions where both the import Locality of 
Origin index and the export Locality of Destination index are published. These include the Industrialized 
Countries, the European Union, Latin America, the Pacific Rim, Canada, China, Germany, Japan, and 
Mexico.

The data series for both the Locality of Destination price indexes and the Terms of Trade indexes will begin 
in December 2017 when the indexes are first published on September 14.

In addition to the new indexes, the numbering of the tables in the Import and Export Price Index news 
release will be changing. Tables 1 through 7 will remain the same, and the new Locality of Destination data 
will be in table 8 and the new Terms of Trade data will be in table 9. The current table for Selected 
Transportation Services will change from table 8 to table 10. Other formatting changes to the text of the 
news release will be made. An example of the new format and tables will be provided before the September 
14 release date.  

Table 1. U.S. import price indexes and percent changes for selected categories of goods: May 2017 to May 2018 [2000=100, unless otherwise noted]
Description End
Use
Relative
import-
ance
Apr.
2018
Index Percent change
Apr.
2018
May
2018
Annual Monthly
May
2017
to
May
2018
Jan.
2018
to
Feb.
2018
Feb.
2018
to
Mar.
2018
Mar.
2018
to
Apr.
2018
Apr.
2018
to
May
2018

All commodities

  100.000 127.2 128.0 4.3 0.2 -0.2 0.6 0.6

All imports excluding food and fuels (Dec. 2010=100)

  83.042 100.6 100.8 1.9 0.4 0.2 0.1 0.2

All imports excluding petroleum

  89.831 113.8 113.9 1.8 0.4 0.0 0.1 0.1

All imports excluding fuels (Dec. 2001=100)

  89.128 118.0 118.2 1.9 0.4 0.1 0.2 0.2

Foods, feeds, & beverages

0

6.086 182.2 183.0 1.6 1.2 -0.9 -0.3 0.4

Agricultural foods, feeds & beverages, excluding distilled beverages

00

4.770 199.4 200.7 1.7 1.2 -1.4 -0.4 0.7

Nonagricultural foods (fish, distilled beverages)

01

1.316 143.5 143.2 1.1 0.9 0.8 0.2 -0.2

Industrial supplies & materials

1

25.347 192.4 197.3 16.7 -0.3 -0.6 2.1 2.5

Industrial supplies & materials excluding petroleum

  15.246 159.2 159.5 7.6 0.1 0.6 0.6 0.2

Industrial supplies & materials excluding fuels (Dec. 2001=100)

  14.464 181.1 182.5 8.8 0.8 1.0 0.6 0.8

Industrial supplies & materials, durable

  9.202 172.3 174.7 10.4 0.9 1.2 0.3 1.4

Industrial supplies & materials nondurable excluding petroleum

  5.976 142.8 140.4 3.6 -0.9 -0.4 0.8 -1.7

Fuels & lubricants

10

10.872 211.7 222.0 28.6 -1.8 -2.7 4.1 4.9

Petroleum & petroleum products

100

10.169 231.3 245.0 31.9 -1.1 -2.5 4.4 5.9

Crude

10000

7.321 243.7 260.0 36.0 -2.6 -2.0 5.9 6.7

Fuels, n.e.s.-coals & gas

101

0.520 102.7 88.9 -14.4 -13.2 -7.4 -1.0 -13.4

Gas-natural

10110

0.361 83.5 67.2 -18.5 -15.6 -10.4 -1.9 -19.5

Paper & paper base stocks

11

0.568 116.4 117.0 9.4 1.3 0.4 2.9 0.5

Materials associated with nondurable supplies & materials

12

4.767 163.7 162.8 5.3 0.8 0.4 0.8 -0.5

Selected building materials

13

1.692 159.0 162.1 10.5 1.6 3.1 1.0 1.9

Unfinished metals related to durable goods

14

3.976 240.0 243.9 14.2 0.9 1.0 0.5 1.6

Finished metals related to durable goods

15

1.808 161.6 164.6 10.2 0.5 0.7 -0.4 1.9

Nonmetals related to durable goods

16

1.664 112.0 112.2 2.8 0.2 0.7 0.4 0.2

Capital goods

2

26.697 89.7 89.6 0.9 0.3 0.1 0.0 -0.1

Electric generating equipment

20

3.232 117.8 118.0 1.6 0.6 0.0 0.1 0.2

Nonelectrical machinery

21

21.223 82.2 82.1 1.0 0.2 0.2 0.0 -0.1

Transportation equipment excluding motor vehicles (Dec. 2001=100)

22

2.242 135.5 135.0 0.4 0.1 -0.1 -0.1 -0.4

Automotive vehicles, parts & engines

3

15.780 110.6 110.5 -0.1 0.1 -0.2 0.0 -0.1

Consumer goods, excluding automotives

4

26.090 107.5 107.6 0.7 0.5 0.0 0.2 0.1

Nondurables, manufactured

40

12.763 122.4 123.0 1.2 0.6 0.0 0.2 0.5

Durables, manufactured

41

12.020 93.3 93.1 0.1 0.2 0.2 0.0 -0.2

Nonmanufactured consumer goods

42

1.308 116.6 117.4 0.9 2.8 -2.6 0.7 0.7

NOTES: Data may be revised in each of the 3 months after original publication.
Dash = Not available

Table 2. U.S. export price indexes and percent changes for selected categories of goods: May 2017 to May 2018 [2000=100, unless otherwise noted]
Description End
Use
Relative
import-
ance
Apr.
2018
Index Percent change
Apr.
2018
May
2018
Annual Monthly
May
2017
to
May
2018
Jan.
2018
to
Feb.
2018
Feb.
2018
to
Mar.
2018
Mar.
2018
to
Apr.
2018
Apr.
2018
to
May
2018

All commodities

  100.000 126.9 127.7 4.9 0.2 0.3 0.6 0.6

Agricultural commodities

  10.051 183.1 186.1 4.9 0.6 3.2 -1.2 1.6

All exports excluding food and fuels (Dec. 2010=100)

  80.997 101.6 101.7 3.0 0.5 0.2 0.4 0.1

Nonagricultural commodities

  89.949 122.6 123.2 4.9 0.2 0.0 0.7 0.5

Foods, feeds, & beverages

0

9.411 185.0 186.8 4.2 0.6 3.4 -1.2 1.0

Agricultural foods, feeds & beverages, excluding distilled beverages

00

8.746 182.9 185.5 4.0 0.5 3.3 -1.4 1.4

Nonagricultural foods (fish, distilled beverages)

01

0.665 224.8 213.9 7.6 2.2 4.0 1.6 -4.8

Industrial supplies & materials

1

31.493 159.9 162.5 11.7 0.2 -0.1 1.3 1.6

Industrial supplies & materials, durable

  10.570 168.5 168.4 6.5 1.2 0.5 0.7 -0.1

Industrial supplies & materials, nondurable

  20.923 156.2 160.1 14.6 -0.3 -0.3 1.6 2.5

Agricultural industrial supplies & materials

10

1.305 191.2 196.3 11.2 1.0 2.8 0.7 2.7

Nonagricultural industrial supplies & materials

  30.188 158.9 161.5 11.8 0.2 -0.2 1.3 1.6

Fuels & lubricants

11

9.593 191.0 199.7 24.2 -2.0 -2.0 3.4 4.6

Nonagricultural supplies & materials excluding fuels & building materials

12

19.575 160.5 160.8 7.1 1.3 0.7 0.3 0.2

Selected building materials

13

1.021 124.0 124.7 3.7 1.0 0.5 0.6 0.6

Capital goods

2

36.493 109.6 109.7 2.0 0.1 0.0 0.6 0.1

Electrical generating equipment

20

3.878 116.5 117.2 3.9 -0.4 0.5 0.9 0.6

Nonelectrical machinery

21

23.504 94.7 94.8 1.2 -0.1 -0.1 0.4 0.1

Transportation equipment excluding motor vehicles (Dec. 2001=100)

22

9.112 175.6 176.1 3.4 0.6 0.2 0.6 0.3

Automotive vehicles, parts & engines

3

10.088 114.1 114.2 0.8 0.2 0.1 0.1 0.1

Consumer goods, excluding automotives

4

12.516 110.0 109.9 1.5 0.3 0.0 0.2 -0.1

Nondurables, manufactured

40

6.115 107.1 107.0 2.7 0.3 0.3 0.5 -0.1

Durables, manufactured

41

4.968 107.4 107.3 0.4 0.1 -0.1 -0.2 -0.1

NOTES: Data may be revised in each of the 3 months after original publication.
Dash = Not available

Table 3. U.S. import price indexes and percent changes for selected industries: May 2017 to May 2018 [December 2005=100, unless otherwise noted]
Description NAICS Relative
import-
ance
Apr.
2018
Index Percent change
Apr.
2018
May
2018
Annual Monthly
May
2017
to
May
2018
Jan.
2018
to
Feb.
2018
Feb.
2018
to
Mar.
2018
Mar.
2018
to
Apr.
2018
Apr.
2018
to
May
2018

Nonmanufacturing

  9.941 114.0 119.0 24.2 -1.8 -2.8 3.6 4.4

Agriculture, forestry, fishing and hunting

11

2.023 184.9 186.1 0.4 3.4 -4.0 -1.3 0.6

Crop production

111

1.619 196.1 199.5 0.8 3.9 -5.7 -1.3 1.7

Animal production (Dec. 2014=100)

112

0.196 79.3 80.5 0.1 1.8 0.6 -1.5 1.5

Mining

21

7.918 106.6 112.3 31.7 -3.2 -2.6 5.1 5.3

Oil and gas extraction

211

7.682 106.7 112.6 32.9 -3.3 -2.6 5.2 5.5

Manufacturing

  89.767 112.3 112.6 2.5 0.5 0.1 0.2 0.3

Manufacturing, part 1

31

11.334 125.3 125.6 1.2 0.2 0.1 0.2 0.2

Food manufacturing

311

3.437 158.3 159.0 2.1 0.5 0.2 0.4 0.4

Beverage and tobacco product manufacturing

312

1.092 120.8 120.8 2.0 0.2 0.1 0.3 0.0

Textile mills (Dec. 2011=100)

313

0.384 100.5 100.0 1.8 0.3 0.1 0.1 -0.5

Textile product mills

314

0.921 109.7 110.1 1.5 0.1 0.5 -0.1 0.4

Apparel manufacturing

315

3.838 111.3 111.4 0.5 0.1 -0.1 0.0 0.1

Leather and allied product manufacturing

316

1.663 122.8 123.4 0.2 -0.1 0.0 0.0 0.5

Manufacturing, part 2

32

18.265 126.8 127.9 6.3 1.3 -0.1 0.9 0.9

Wood product manufacturing

321

1.063 143.1 147.6 14.6 2.6 4.1 1.2 3.1

Paper manufacturing

322

1.025 109.3 109.7 4.7 0.7 0.3 1.6 0.4

Printing and related support activities (Dec. 2016=100)

323

0.209 100.9 100.8 0.7 0.1 0.1 0.6 -0.1

Petroleum and coal products manufacturing

324

2.606 95.2 98.6 22.5 3.4 -3.0 1.4 3.6

Chemical manufacturing

325

10.179 140.6 141.0 3.8 0.9 0.1 0.8 0.3

Plastics and rubber products manufacturing

326

2.197 119.7 119.7 1.4 0.6 0.2 0.5 0.0

Nonmetallic mineral product manufacturing

327

0.986 130.3 130.4 1.6 -0.2 0.5 0.2 0.1

Manufacturing, part 3

33

60.168 105.1 105.2 1.6 0.3 0.2 0.0 0.1

Primary metal manufacturing

331

4.517 158.6 162.0 14.4 1.2 1.0 0.4 2.1

Fabricated metal product manufacturing

332

3.106 128.0 128.5 5.0 0.6 0.6 -0.2 0.4

Machinery manufacturing

333

6.782 118.9 119.0 2.4 0.4 0.3 0.1 0.1

Computer and electronic product manufacturing

334

17.018 75.6 75.3 -0.7 0.1 0.0 0.0 -0.4

Electrical equipment, appliance, and component manufacturing

335

4.891 115.8 116.0 1.3 0.5 0.0 0.2 0.2

Transportation equipment manufacturing

336

16.759 109.7 109.6 0.0 0.0 -0.1 -0.1 -0.1

Furniture and related product manufacturing

337

1.766 116.6 116.9 1.4 0.0 0.5 -0.1 0.3

Miscellaneous manufacturing

339

5.329 118.9 119.1 1.4 0.2 0.3 0.1 0.2

NOTES: Data may be revised in each of the 3 months after original publication.
Dash = Not available

Table 4. U.S. export price indexes and percent changes for selected industries: May 2017 to May 2018 [December 2005=100, unless otherwise noted]
Description NAICS Relative
import-
ance
Apr.
2018
Index Percent change
Apr.
2018
May
2018
Annual Monthly
May
2017
to
May
2018
Jan.
2018
to
Feb.
2018
Feb.
2018
to
Mar.
2018
Mar.
2018
to
Apr.
2018
Apr.
2018
to
May
2018

Nonmanufacturing

  8.520 140.6 142.5 7.8 -2.0 3.4 -0.8 1.4

Agriculture, forestry, fishing and hunting

11

5.311 161.6 164.2 6.5 0.5 5.8 -1.9 1.6

Crop production

111

4.996 167.1 170.9 6.8 0.3 6.1 -2.3 2.3

Mining

21

3.209 88.3 89.0 9.5 -5.7 -0.8 1.5 0.8

Mining (except oil and gas)

212

1.100 108.7 108.4 7.9 0.6 -1.4 -0.8 -0.3

Manufacturing

  89.864 116.5 117.2 4.7 0.4 0.1 0.7 0.6

Manufacturing, part 1

31

6.970 141.0 141.7 2.9 0.9 0.6 0.1 0.5

Food manufacturing

311

4.756 158.9 159.3 2.1 0.8 0.5 -0.1 0.3

Beverage and tobacco product manufacturing

312

0.705 122.8 127.1 13.9 2.1 1.9 1.5 3.5

Textile mills (Dec. 2016=100)

313

0.636 103.8 103.9 2.5 0.9 0.5 0.9 0.1

Leather and allied product manufacturing (Dec. 2016=100)

316

0.267 96.6 95.6 -3.4 0.4 -0.4 -0.5 -1.0

Manufacturing, part 2

32

25.246 116.5 118.7 12.2 0.9 -0.2 1.2 1.9

Wood product manufacturing (Dec. 2017=100)

321

0.546 104.7 105.1 2.2 1.2 0.9 0.4

Paper manufacturing

322

1.675 128.6 130.7 13.0 0.1 0.9 1.7 1.6

Petroleum and coal products manufacturing

324

6.461 114.2 121.2 35.1 0.4 -2.8 4.5 6.1

Chemical manufacturing

325

13.267 119.0 119.3 5.9 1.2 0.8 -0.1 0.3

Plastics and rubber products manufacturing

326

2.223 115.0 115.1 0.4 0.4 0.4 0.0 0.1

Nonmetallic mineral product manufacturing

327

0.831 116.9 116.8 3.1 0.7 1.1 0.3 -0.1

Manufacturing, part 3

33

57.647 114.0 114.1 2.1 0.2 0.1 0.5 0.1

Primary metal manufacturing

331

3.986 147.5 147.5 7.4 1.6 0.4 1.3 0.0

Fabricated metal product manufacturing

332

3.035 140.3 140.3 1.5 0.3 -0.1 1.3 0.0

Machinery manufacturing

333

8.935 127.0 127.0 1.3 0.2 -0.1 0.9 0.0

Computer and electronic product manufacturing

334

14.019 83.4 83.5 1.0 -0.2 -0.1 0.2 0.1

Electrical equipment, appliance, and component manufacturing

335

3.821 116.6 117.7 4.1 -0.3 0.6 0.6 0.9

Transportation equipment manufacturing

336

18.105 126.7 126.8 2.0 0.4 0.1 0.4 0.1

Furniture and related product manufacturing (Dec. 2011=100)

337

0.398 118.7 118.6 0.9 0.3 0.0 -0.1 -0.1

Miscellaneous manufacturing

339

5.347 120.1 119.9 1.4 0.4 -0.1 0.0 -0.2

NOTES: Data may be revised in each of the 3 months after original publication.
Dash = Not available

Table 5. U.S. import price indexes and percent changes for selected categories of goods: May 2017 to May 2018 [2000=100, unless otherwise noted]
Description Harmo-
nized
system
Relative
import-
ance
Apr.
2018
Index Percent change
Apr.
2018
May
2018
Annual Monthly
May
2017
to
May
2018
Jan.
2018
to
Feb.
2018
Feb.
2018
to
Mar.
2018
Mar.
2018
to
Apr.
2018
Apr.
2018
to
May
2018

Live animals; animal products

I

1.392 197.2 198.3 1.3 1.8 1.0 -0.9 0.6

Meat and edible meat offal

02

0.375 249.1 252.3 0.6 1.6 0.7 -1.5 1.3

Fish and crustaceans, molluscs and other aquatic invertebrates

03

0.721 144.1 144.8 0.7 1.4 1.4 -0.3 0.5

Vegetable products

II

1.977 215.8 218.1 -0.7 3.7 -5.5 -1.9 1.1

Edible vegetables, roots, and tubers

07

0.423 435.3 425.9 0.0 6.6 -10.3 -10.1 -2.2

Edible fruit and nuts; peel of citrus fruit or melons

08

0.841 128.7 131.6 -1.3 1.5 -3.7 0.7 2.3

Coffee, tea, mate and spices

09

0.338 215.8 217.6 -5.4 -0.8 0.2 -0.6 0.8

Animal or vegetable fats and oils (Dec. 2009=100)

III

0.283 108.1 104.9 -7.5 -1.3 -2.2 -2.1 -3.0

Prepared foodstuffs, beverages, and tobacco

IV

2.811 166.9 167.7 4.9 0.4 0.7 1.5 0.5

Sugars and sugar confectionary (Dec. 2012=100)

17

0.202 90.9 91.0 5.9 0.1 0.2 0.1 0.1

Cocoa and cocoa preparations (Dec. 2009=100)

18

0.211 101.4 103.7 11.9 0.8 4.7 1.7 2.3

Preparations of vegetables, fruit, nuts, or other parts of plants

20

0.362 168.4 169.2 2.6 0.1 0.7 -0.4 0.5

Miscellaneous edible preparations (Dec. 2017=100)

21

0.205 102.0 102.0 1.1 0.8 0.1 0.0

Beverages, spirits, and vinegar

22

1.034 130.9 130.9 2.3 0.1 0.1 0.4 0.0

Mineral products

V

10.680 211.5 221.8 28.7 -1.7 -2.5 4.1 4.9

Mineral fuels, oils and residuals, bituminous substances and mineral waxes

27

10.427 209.2 219.7 29.2 -1.8 -2.6 4.3 5.0

Products of the chemical or allied industries

VI

9.509 158.1 158.4 4.3 0.9 0.0 0.7 0.2

Inorganic chemicals

28

0.621 315.5 302.3 5.7 1.3 -1.1 1.7 -4.2

Organic chemicals

29

2.435 133.4 134.1 8.7 0.4 0.2 2.1 0.5

Pharmaceutical products

30

4.445 151.4 152.5 2.3 1.6 -0.1 0.2 0.7

Fertilizers (Dec. 2009=100)

31

0.257 80.1 81.3 11.1 -1.5 -0.1 0.0 1.5

Tanning extracts; dye, pigments, varnish, paints & putty (Dec. 2011=100)

32

0.183 107.4 107.2 0.2 0.3 0.3 -0.2 -0.2

Essential oils and resinoids (Dec. 2016=100)

33

0.581 103.6 103.3 4.1 0.7 0.2 -0.2 -0.3

Miscellaneous chemical products

38

0.638 107.2 107.1 3.6 -0.7 1.4 -0.5 -0.1

Plastics and articles thereof; rubber and articles thereof

VII

3.405 141.1 140.9 0.5 0.6 0.1 0.1 -0.1

Plastics and articles thereof

39

2.229 143.3 143.2 1.3 0.5 0.1 -0.2 -0.1

Rubber and articles thereof

40

1.176 138.6 138.3 -0.9 0.8 0.2 0.5 -0.2

Raw hides, skins, leather, furskins, travel goods, etc

VIII

0.630 124.3 125.8 1.8 0.1 0.0 0.0 1.2

Articles of leather; travel goods, bags, etc. of various materials

42

0.595 129.8 131.4 2.0 0.1 0.1 0.0 1.2

Wood, wood charcoal, cork, straw, basketware and wickerwork

IX

1.098 174.5 179.7 15.0 2.7 4.4 1.2 3.0

Wood and articles of wood; wood charcoal (Dec. 2014=100)

44

1.075 120.6 124.3 15.3 2.8 4.5 1.3 3.1

Woodpulp, recovered paper, and paper products

X

1.083 115.6 116.0 5.2 0.8 0.3 1.8 0.3

Paper and paperboard; articles of paper pulp, paper or paperboard

48

0.711 106.6 106.8 3.6 1.3 0.2 1.2 0.2

Printed matter (Dec. 2015=100)

49

0.206 106.8 106.8 0.8 0.1 0.0 0.8 0.0

Textile and textile articles

XI

5.001 114.3 114.3 1.1 0.2 0.3 0.0 0.0

Articles of apparel and clothing accessories, knitted or crocheted

61

2.003 104.0 104.1 0.7 0.1 -0.1 0.0 0.1

Articles of apparel and clothing accessories, not knitted or crocheted

62

1.691 119.3 119.3 0.3 0.1 0.1 0.0 0.0

Made-up or worn textile articles

63

0.638 104.2 104.2 0.5 0.1 0.1 0.0 0.0

Headgear, umbrellas, artificial flowers, etc.

XII

1.377 122.1 122.1 -0.2 -0.2 0.2 0.1 0.0

Footwear and parts of such articles

64

1.151 120.9 121.0 -0.3 -0.2 0.0 0.1 0.1

Stone, plaster, cement, asbestos, ceramics, glass etc.

XIII

0.926 132.0 132.1 1.7 -0.4 0.7 0.1 0.1

Articles of stone, plaster, cement, asbestos, or mica (Dec. 2015=100)

68

0.332 99.5 99.5 3.6 0.2 1.4 0.1 0.0

Ceramic products

69

0.256 135.1 135.2 -0.8 -1.4 -0.1 0.4 0.1

Glass and glassware

70

0.338 132.4 132.3 1.8 -0.2 0.5 0.0 -0.1

Pearls, stones, precious metals, imitation jewelry, and coins

XIV

3.080 174.5 173.8 3.1 -0.1 -0.2 -0.1 -0.4

Base metals and articles of base metals

XV

5.634 181.5 185.0 10.7 1.0 1.0 0.4 1.9

Iron and steel

72

1.348 227.9 231.4 16.6 2.2 2.6 3.7 1.5

Articles of iron or steel

73

1.608 152.6 153.0 7.6 0.5 1.1 -0.3 0.3

Copper and articles thereof

74

0.409 295.3 319.0 19.9 -0.9 -1.0 -1.6 8.0

Aluminum and articles thereof

76

0.931 137.0 144.0 11.3 0.4 1.0 -1.7 5.1

Tools, implements, cutlery, spoons and forks, of base metal; parts thereof

82

0.418 122.9 123.7 0.8 0.2 0.4 0.0 0.7

Miscellaneous articles of base metal

83

0.516 137.4 137.7 0.8 0.3 0.1 0.1 0.2

Machinery, electrical equipment, TV image and sound recorders, parts, etc.

XVI

28.896 80.8 80.7 0.4 0.4 0.1 0.0 -0.1

Machinery and mechanical appliances; parts thereof

84

14.146 87.1 87.1 1.6 0.5 0.2 0.0 0.0

Electrical machinery and equip, sound and TV recorders & reproducers, parts

85

14.750 74.9 74.7 -0.8 0.3 0.0 0.0 -0.3

Vehicles, aircraft, vessels and associated transport equipment

XVII

13.974 114.4 114.2 0.0 0.0 -0.2 -0.1 -0.2

Motor vehicles and their parts

87

12.769 113.4 113.3 0.2 0.0 -0.1 -0.1 -0.1

Aircraft, spacecraft, and parts thereof (Dec. 2002=100)

88

1.114 116.3 115.4 -0.6 0.0 -0.2 0.1 -0.8

Optical, photo, measuring, medical & musical instruments; & timepieces

XVIII

3.872 103.3 103.1 1.9 0.0 0.1 -0.2 -0.2

Optical, photographic, measuring and medical instruments

90

3.581 99.8 99.6 1.8 0.1 -0.1 -0.2 -0.2

Clocks and watches and parts thereof

91

0.233 145.5 142.6 0.5 0.0 2.8 -0.7 -2.0

Miscellaneous manufactured articles

XX

4.285 111.9 112.3 1.3 0.2 0.2 0.1 0.4

Furniture & stuffed furnishings; lamps & lighting fittings, nesoi; prefab bldgs

94

2.703 117.8 118.1 1.4 0.2 0.3 0.0 0.3

Toys, games and sports equipment; parts and accessories thereof

95

1.301 102.1 102.6 1.2 0.2 0.1 0.2 0.5

Miscellaneous manufactured articles

96

0.282 128.6 128.6 -1.0 0.0 0.0 0.0 0.0

NOTES: Data may be revised in each of the 3 months after original publication.
Dash = Not available

Table 6. U.S. export price indexes and percent changes for selected categories of goods: May 2017 to May 2018 [2000=100, unless otherwise noted]
Description Harmo-
nized
system
Relative
import-
ance
Apr.
2018
Index Percent change
Apr.
2018
May
2018
Annual Monthly
May
2017
to
May
2018
Jan.
2018
to
Feb.
2018
Feb.
2018
to
Mar.
2018
Mar.
2018
to
Apr.
2018
Apr.
2018
to
May
2018

Live animals; animal products

I

1.962 211.3 209.1 2.6 0.6 1.2 0.2 -1.0

Meat & edible meat offal (Dec. 2006=100)

02

1.185 167.5 165.9 2.2 0.7 0.7 -0.8 -1.0

Fish and crustaceans, mollusks and aquatic invertebrates (Dec. 2016=100)

03

0.441 124.6 117.9 9.2 2.4 4.0 2.0 -5.4

Dairy products, eggs and honey (Dec. 2017=100)

04

0.260 95.0 99.8 -0.2 -0.1 1.0 5.1

Vegetable products

II

4.881 202.0 206.0 6.0 0.1 5.7 -2.1 2.0

Edible fruit and nuts; peel of citrus fruit or melons

08

0.917 147.6 138.0 0.3 -0.4 1.8 -1.1 -6.5

Cereals

10

1.461 197.6 208.4 18.9 4.6 4.8 -1.8 5.5

Oilseeds and misc. grains, seeds, fruits, plants, straw and fodder

12

2.014 213.5 217.0 10.8 2.2 6.6 -1.7 1.6

Prepared foodstuffs, beverages, and tobacco

IV

3.105 152.9 155.3 4.5 1.3 1.1 -0.3 1.6

Preparations of vegetables, fruit, nuts or other parts of plants (Dec. 2009=100)

20

0.349 118.5 118.7 1.5 0.3 0.3 0.3 0.2

Miscellaneous edible preparations (Dec. 2017=100)

21

0.568 97.2 97.3 1.1 -1.8 -3.8 0.1

Beverages, spirits, and vinegar (Dec. 2008=100)

22

0.534 109.5 111.6 -0.3 1.7 1.8 0.6 1.9

Residues and waste from the food industries; prepared animal feed

23

0.759 225.4 235.5 20.2 2.8 5.3 1.3 4.5

Mineral products

V

10.011 230.9 241.2 26.3 -1.8 -2.1 3.6 4.5

Ores, slag and ash (Dec. 2012=100)

26

0.560 110.7 110.0 20.4 3.8 -0.4 -1.8 -0.6

Mineral fuels, oils and residuals, bituminous substances and mineral waxes

27

9.275 221.2 232.0 27.2 -2.2 -2.2 4.0 4.9

Products of the chemical or allied industries

VI

10.740 138.4 138.3 3.8 1.2 0.5 -0.4 -0.1

Inorganic chemicals

28

0.748 167.7 166.5 -0.8 0.5 0.4 0.0 -0.7

Organic chemicals

29

2.475 140.1 139.9 8.0 3.5 1.2 -3.2 -0.1

Pharmaceutical products

30

3.250 107.9 107.9 3.3 0.6 0.3 0.5 0.0

Fertilizers (Dec. 2016=100)

31

0.264 123.0 124.4 13.7 4.7 1.4 3.8 1.1

Tanning or dyeing extracts, dyes, paints varnish, putty, & inks (Dec. 2015=100)

32

0.531 101.7 103.1 4.6 0.8 0.4 0.7 1.4

Essential oils and resinoids; perfumery cosmetic or toilet preparations

33

0.817 131.4 130.4 -2.2 0.2 0.2 0.5 -0.8

Soap; lubricants; waxes, polishing or scouring products; candles, pastes

34

0.494 119.6 119.2 5.0 0.2 0.7 0.3 -0.3

Miscellaneous chemical products

38

1.810 151.9 152.4 5.3 0.0 0.2 0.5 0.3

Plastics and articles thereof; rubber and articles thereof

VII

5.179 144.2 144.5 4.9 1.3 1.3 0.5 0.2

Plastics and articles thereof

39

4.297 140.7 140.8 6.4 1.3 1.1 0.5 0.1

Rubber and articles thereof

40

0.883 157.9 159.5 -1.0 0.9 2.3 0.4 1.0

Wood, wood charcoal, cork, straw, baskets and wickerwork (Dec. 2014=100)

IX

0.686 106.4 107.3 9.3 1.6 1.0 0.6 0.8

Woodpulp, recovered paper, and paper products

X

2.046 130.4 132.8 7.1 -1.0 -0.2 2.9 1.8

Woodpulp and recovered paper

47

0.623 135.4 140.0 7.3 -3.7 -1.4 4.8 3.4

Paper and paperboard; articles of paper pulp, paper or paperboard

48

1.088 127.3 129.2 7.5 0.4 0.2 2.0 1.5

Printed material (Dec. 2014=100)

49

0.336 107.5 107.5 5.9 0.0 0.0 2.9 0.0

Textile and textile articles

XI

1.694 125.4 126.7 4.7 0.2 2.4 0.1 1.0

Cotton, including yarns and woven fabrics thereof

52

0.477 141.5 145.5 11.5 -0.2 6.8 0.3 2.8

Stone, plaster, cement, asbestos, ceramics, glass etc.

XIII

0.804 124.1 123.9 1.1 0.2 0.2 0.1 -0.2

Articles of stone, plaster, cement, asbestos, or mica (Dec. 2015=100)

68

0.270 102.1 102.2 1.1 0.4 0.3 0.2 0.1

Glass and glassware

70

0.410 99.3 99.0 0.0 0.3 0.1 0.1 -0.3

Pearls, stones, precious metals, imitation jewelry, and coins

XIV

4.112 240.5 238.4 3.4 0.5 -0.4 0.2 -0.9

Base metals and articles of base metals

XV

5.017 164.1 164.5 7.7 0.9 0.9 1.4 0.2

Iron and steel

72

1.133 182.3 182.2 15.8 0.1 4.2 4.2 -0.1

Copper and articles thereof

74

0.569 200.9 196.8 16.7 0.9 -1.3 -0.7 -2.0

Aluminum and articles thereof

76

0.969 120.7 124.5 9.3 3.0 0.6 -1.4 3.1

Tools, implements, cutlery, spoons and forks, of base metal (Dec. 2015=100)

82

0.315 99.9 99.9 0.4 -0.2 0.0 0.3 0.0

Miscellaneous articles of base metal

83

0.341 152.0 152.3 2.8 0.6 0.3 0.5 0.2

Machinery, electrical equipment, TV image and sound recorders, parts, etc.

XVI

27.490 97.3 97.5 1.5 0.0 0.0 0.5 0.2

Machinery and mechanical appliances; parts thereof

84

15.806 115.0 115.1 1.2 0.2 0.1 0.7 0.1

Electrical machinery and equipment and parts and accessories thereof

85

11.684 78.3 78.6 1.9 -0.4 -0.1 0.4 0.4

Vehicles, aircraft, vessels and associated transport equipment

XVII

14.248 134.8 135.1 1.9 0.4 0.0 0.1 0.2

Motor vehicles and their parts

87

8.288 116.3 116.3 1.0 0.3 0.1 0.2 0.0

Optical, photo, measuring, medical & musical instruments; & timepieces

XVIII

5.953 109.3 109.3 3.0 0.5 0.2 -0.1 0.0

Miscellaneous manufactured articles

XX

1.394 112.3 111.8 -0.5 -0.1 0.0 0.0 -0.4

Furniture; stuffed furnishings; lamps and lighting fittings nesoi;

94

0.815 128.9 128.0 -0.3 0.5 0.0 -0.1 -0.7

Toys, games and sports equipment; parts and accessories thereof

95

0.417 87.6 87.4 -1.5 -1.2 -0.1 -0.3 -0.2

NOTES: Data may be revised in each of the 3 months after original publication.
Dash = Not available

Table 7. U.S. import price indexes and percent changes by locality of origin: May 2017 to May 2018 [2000=100, unless otherwise noted]
Description Relative
import-
ance
Apr.
2018
Index Percent change
Apr.
2018
May
2018
Annual Monthly
May
2017
to
May
2018
Jan.
2018
to
Feb.
2018
Feb.
2018
to
Mar.
2018
Mar.
2018
to
Apr.
2018
Apr.
2018
to
May
2018

Industrialized Countries

100.000 124.7 125.7 5.3 0.1 -0.2 0.8 0.8

Nonmanufacturing

8.693 152.7 158.2 15.6 -6.2 -2.9 4.4 3.6

Manufacturing

90.732 121.8 122.4 4.2 0.7 0.1 0.5 0.5

Canada

100.000 132.9 135.4 8.1 -1.2 -0.5 1.5 1.9

Nonmanufacturing

23.397 145.1 150.6 14.9 -6.8 -2.9 4.5 3.8

Manufacturing

75.614 133.0 134.9 5.9 0.7 0.2 0.5 1.4

European Union

100.000 137.4 138.0 4.3 0.7 0.1 0.6 0.4

Manufacturing

98.900 133.8 134.4 4.2 0.7 0.0 0.6 0.4

France (Dec. 2003=100)

100.000 128.7 129.2 7.0 0.6 0.0 0.2 0.4

Germany (Dec. 2003=100)

100.000 112.4 112.4 -1.1 0.5 -0.2 0.4 0.0

United Kingdom (Dec. 2003=100)

100.000 121.4 122.7 4.7 0.4 0.4 0.2 1.1

Latin America

100.000 150.8 152.1 5.9 -0.1 -0.7 0.6 0.9

Nonmanufacturing

18.805 264.2 275.3 22.6 -1.4 -3.6 2.8 4.2

Manufacturing

80.922 123.0 123.1 2.3 0.2 0.0 0.1 0.1

Mexico (Dec. 2003=100)

100.000 128.7 129.1 1.7 -0.5 -0.2 -0.2 0.3

Nonmanufacturing (Dec. 2008=100)

8.726 133.3 139.5 12.6 -4.7 -1.0 0.0 4.7

Manufacturing (Dec. 2008=100)

91.025 88.8 88.7 0.7 0.0 -0.2 -0.1 -0.1

Pacific Rim (Dec. 2003=100)

100.000 99.1 99.2 0.8 0.2 0.2 0.2 0.1

China (Dec. 2003=100)

100.000 100.3 100.4 0.3 0.1 0.2 -0.1 0.1

Japan

100.000 96.5 96.6 0.2 0.2 0.2 0.1 0.1

Asian NICs

100.000 89.2 89.6 4.4 0.3 0.5 0.5 0.4

ASEAN (Dec. 2003=100)

100.000 98.4 98.7 0.7 0.1 0.0 0.1 0.3

Asia Near East (Dec. 2003=100)

100.000 180.8 188.7 23.3 -0.3 -0.3 1.0 4.4

NOTES: Data may be revised in each of the 3 months after original publication.
Regions are not mutually exclusive.
Dash = Not available

Table 8. U.S. international price indexes and percent changes for selected transportation services: May 2017 to May 2018 [2000=100, unless otherwise noted]
Description Relative
import-
ance
Apr.
2018
Index Percent change
Apr.
2018
May
2018
Annual Monthly
May
2017
to
May
2018
Jan.
2018
to
Feb.
2018
Feb.
2018
to
Mar.
2018
Mar.
2018
to
Apr.
2018
Apr.
2018
to
May
2018

Air Freight

Import Air Freight

100.000 193.5 196.5 18.2 -3.3 5.1 7.0 1.6

Europe (Dec. 2003=100)

23.876 152.3 154.3 9.6 2.9 0.9 1.3 1.3

Asia

64.217 188.0 191.7 25.4 -7.0 8.2 10.3 2.0

Export Air Freight

100.000 163.0 164.2 3.0 0.2 2.0 0.3 0.7

Europe (Dec. 2006=100)

32.921 147.8 148.1 0.8 0.0 -0.5 0.9 0.2

Inbound Air Freight

100.000 174.3 176.5 13.4 -3.1 2.0 5.0 1.3

Europe (Dec. 2003=100)

25.673 138.1 139.1 5.1 3.3 0.0 0.4 0.7

Asia

59.177 165.2 168.2 17.2 -7.0 3.7 7.8 1.8

Outbound Air Freight

100.000 142.2 140.2 0.5 -2.1 3.4 -0.1 -1.4

Europe (Dec. 2003=100)

33.381 148.0 148.6 2.2 -0.3 2.4 0.2 0.4

Asia

42.988 137.1 132.0 -1.6 -4.8 5.8 -0.4 -3.7

Air Passenger Fares

Import Air Passenger Fares

100.000 182.0 177.4 1.2 0.9 -6.5 2.8 -2.5

Europe

43.538 213.6 202.9 7.1 1.9 -14.6 4.9 -5.0

Asia

22.137 131.4 139.4 2.3 -5.6 0.1 2.9 6.1

Latin America/Caribbean

9.769 167.1 153.7 -1.5 4.6 2.3 -0.3 -8.0

Export Air Passenger Fares

100.000 184.1 163.2 9.3 -7.9 3.5 16.2 -11.4

Europe

28.348 225.5 186.8 -3.2 6.9 2.2 6.9 -17.2

Asia

25.081 150.7 120.2 -2.6 -14.4 2.1 14.3 -20.2

Latin America/Caribbean

25.545 204.9 206.1 29.9 -8.0 0.1 22.3 0.6

NOTES: Data may be revised in each of the 3 months after original publication.
Dash = Not available

                                            TECHNICAL NOTE 


Import and Export Merchandise and Services Price Indexes - All indexes use a modified Laspeyres 
formula and are not seasonally adjusted. Price indexes are reweighted annually, with a 2-year lag in the 
weights. Published series use a base year of 2000=100 where possible. More detailed index series and 
additional information may be obtained at www.bls.gov/mxp or by calling (202) 691-7101.

Merchandise Goods Classification Systems - The merchandise price indexes are published using three 
classification systems. Items are classified by end use according to the Bureau of Economic Analysis 
Classification System, by industry according to the North American Industry Classification System 
(NAICS), and by product category according to the Harmonized System (HS). While classification by 
end use and product category are self-explanatory, some notes are in order for classifying items by 
industry. In the NAICS imports and exports tables, items are classified by output industry, not input 
industry. As an example, NAICS import index 326 (plastics and rubber products manufacturing) include 
outputs such as manufactured plastic rather than inputs such as petroleum. The NAICS classification 
structure also matches the classification system used by the Producer Price Index (PPI) to produce the 
NAICS primary products indexes.

Import Price Indexes - Products have been classified by the Harmonized Tariff Schedule of the United 
States Annotated (TSUSA). Import prices are based on U.S. dollar prices paid by the U.S. importer. The 
prices are generally either "free on board" (f.o.b.) foreign port or "cost, insurance, and freight" (c.i.f.) 
U.S. port transaction prices, depending on the practices of the individual industry. The index for crude 
petroleum is calculated from data collected by the U.S. Department of Energy.  

Export Price Indexes - Products have been classified by the Harmonized Schedule B classification 
system of the U.S. Bureau of the Census. The prices used are generally either "free alongside ship" 
(f.a.s.) factory or "free on board" (f.o.b.) transaction prices, depending on the practices of the individual 
industry. Prices used in the grain index, excluding rice, are obtained from the U.S. Department of 
Agriculture.

Services Price Indexes - Indexes for import and export air passenger fares calculate changes in the 
average revenue received per passenger by foreign carriers from U.S. residents and by U.S. carriers from 
foreign residents, respectively. Data are obtained from an airline consulting service and report on tickets 
sold by travel agencies, travel websites, and tickets sold directly by the airlines. Taxes and fees are 
included in both the import and export air passenger fares indexes. Import air passenger fares data have 
used the airline consulting service source since September 2008. Before April 2018, the export air 
passenger fares data were collected directly by BLS from U.S. airlines. The air freight indexes are 
calculated from data collected directly from airlines. These data exclude mail and passenger baggage. 
The scope of the service being priced is the movement of freight from airport to airport only, and does 
not include any ground transportation or port service. The air freight indexes are presented using two 
definitions: balance of payments (which represent transactions between U.S. and foreign residents) and 
international (which represent transactions inbound to and outbound from the U.S.). Fact sheets 
specifying detailed information for each services industry are available at www.bls.gov/mxp under 
"MXP Publications." 

Import Indexes by Locality of Origin - Prices used in these indexes are a subset of the data collected 
for the import price indexes. Beginning with January 2002, the indexes are defined by locality of origin 
using a nomenclature based upon the North American Industry Classification System (NAICS). 
Nonmanufactured goods are defined as NAICS 11 and 21, and manufactured goods are defined as 
NAICS 31-33. 

Relative Importance - A relative importance is a specific index's price-updated value share (expressed 
as a percentage) of overall imports or exports at a specific point in time. Relative importance values are 
affected by the trade weights at the point indexes are reweighted and index changes relative to other 
indexes since the reweight point. If an index is rising in value relative to other indexes over time, the 
relative importance will increase as well. 

Revision Policy - To reflect the availability of late reports and corrections by respondents, monthly data 
may be revised in each of the 3 months after original publication. After 3 months, no further data 
revisions take place. For example, data first published in the January release will be subject to revision 
in the releases for February, March, and April.

Uses of the Data - The primary use of the indexes is to deflate trade statistics, notably the foreign trade 
sector of the National Income and Product Accounts (NIPA) constructed by the Department of 
Commerce. Other published indexes are useful for general market analysis. For trade in international 
services, balance of payments indexes are used for deflating NIPA, while international indexes are more 
appropriate for market analysis. Merchandise and services indexes also can be used to study U.S. 
competitiveness and to compute price elasticities, and the merchandise import indexes by country or 
region of origin are useful in terms of trade analysis.

Email Subscription - The U.S. import and export price indexes news release is available through an 
email subscription service at www.bls.gov/bls/list.htm. 

Additional Information - More detailed data are available on the Import/Export Price Indexes home 
page at www.bls.gov/mxp. For import and export price indexes data requests, send an email to 
[email protected]   

Information from this release will be made available to sensory impaired individuals upon request.  
Voice phone: (202)-691-5200; Federal Relay Service: 1-(800)-877-8339.