UN Comtrade Reference Tables​
Trade FLow (Regime) Codes


WCO/UN Comtrade Supplementary Quantity Units
In addition to net weight, all detailed UN Comtrade data also have supplementary quantity units. These units of measurement are based on the standards of quantity recommended by the World Customs Organization (WCO):

UN Comtrade CodeWCO AbbreviationDescription
1-No quantity
2m2Area in square meters
31000 kWhElectrical energy in thousands of kilowatt-hours
4mLength in meters
5uNumber of items
62uNumber of pairs
7lVolume in liters
8kgWeight in kilograms
91000uThousand of items


U (jeu/pack)Number of packages
1112uDozen of items
12m3Volume in cubic meters
13caratWeight in carats

Commodity and Country
You can download the references for commodities (HS or SITC versions) and countries in Microsoft Excel , TXT , Microsoft Access formats from the attached zip files.

For the HS code description, see

Please note that the following are the variable descriptions for the commodities files:

CmdCode:Commodity code
CmdDesc:Commodity description
IsLeaf:Basic code without children
Parentcode:High level of that commodity code
pfDesc:Commodity classification
PfCode:Commodity classification code
rtCodeReporter Code
ptCode:Partner Code
qtCode:Quantity code

H5=2017, H4=2012, H3=HS2007, H2=HS2002, H1=HS1996, H0=1992, S4=SITC.4, S3=SITC.3, S2=SITC.2, S1=SITC.1, BE=BEC

The following are the variable descriptions for country files:

Cty Code:Country code
Cty Name English:Country name in English
Cty Fullname English:Country full name in English
Cty Abbrevation:Country name abbreviated
Cty Comments:Applicable comments regarding country
ISO2-digit Alpha:ISO 2 digit alpha code
ISO3-digit Alpha:ISO 3 digit alpha code
Start Valid Year:Year starting for country code validation
End Valid Year:Year ending for country code validation

For all country code and name, see
http://unstats.un.org/unsd/tradekb/Knowledgebase/Comtrade-Country-Code-and-Name or http://unstats.un.org/unsd/tradekb/Knowledgebase/50347/Country-Code