Project / Library:
  • IER Library
- English
Scope of Study:

The United Nations Commodity Trade Statistics Database (UN Comtrade) contains detailed imports and exports statistics reported by statistical authorities of close to 200 countries or areas. It concerns annual trade data from 1962 to the most recent year. UN Comtrade is considered the most comprehensive trade database available with more than 1 billion records. The database is continuously updated. Whenever trade data are received from the national authorities, they are standardized by the UN Statistics Division and then added to UN Comtrade.

Methodology, Data Source:

Over 170 reporter countries provide the United Nations Statistics Division (UNSD) with their annual international trade statistics data detailed by commodities and partner countries. These data are subsequently transformed into the United Nations Statistics Division standard format with consistent coding and valuation using the UN/OECD CoprA internal processing system.

All commodity values are converted from national currency into US dollars using exchange rates supplied by the reporter countries, or derived from monthly market rates and volume of trade. Quantities, when provided with the reporter country data and when possible, are converted into metric units. Commodities are reported in the current classification and revision (HS2002 in most cases) and are converted all the way down to the earliest classification SITC revision 1. Therefore, if data is received in HS 2002 version, it is converted to HS1996, HS1988, SITC rev. 3, SITC rev. 2, SITC rev. 1 and BEC. The data are permanently stored in the UN COMTRADE database server.

Commodities are classified according to SITC (Rev.1 from 1962, Rev.2 from 1976 and Rev.3 from 1988), the Harmonized System (HS) (from 1988 with revisions in 1996, 2002 and 2007) and Broad Economic Categories (BEC).

Notes:

Online

On campus access only

Files:
+ Japanese
Subject:
  • International Economics, International Comparison
  • Economy
Geographic Area:
  • World
Time Period:
  • 1981-2000
Contact:

一橋大学経済研究所資料室 (Institute of Economic Research Library, Hitotsubashi University)
email: hitstatdb@ier.hit-u.ac.jp

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