This guide provides a starting point for researchers using numeric data for projects involving international trade. 

Online Resources

UN Commodity Trade Statistics Database (UN Comtrade) (Harvard Login)
United Nations
Annual data by commodity and trade partner for over 130 countries for SITC 1, 4 and 5-digit and 1 or 6-digit Harmonised System (HS-1). For many countries the data coverage starts in 1962.

World Integrated Trade Solution (WITS)
World Bank
WITS software provides access to international merchandise trade, tariff and non-tariff measures data.  Browse the Country profile section to obtain countries exports, imports and tariff statistics along with relevant development data. Register and login to perform custom analysis.

Direction of Trade Statistics
International Monetary Fund
Time series data from 1940-present detailing the value of merchandise exports and imports between each country and all its trading partners. Includes total bilateral and multilateral exports and imports aggregated at national or regional group levels. Also available from the UK Data Archive.

OECD iLibrary (Harvard Login)
OECD (Organisation for Economic Co-operation and Development)
Trade databases within OECD iLibrary include  ITCS International Trade by Commodity, Quarterly International Trade, and STAN Bilateral Trade. Basic country-level trade data is also available in the Economic Outlook database and the Main Economic Indicators database.

USA Trade Online
STAT-USA and US Bureau of Census
Provides U.S. export and import information on more than 18,000 commodities presented in the Harmonized Tariff Classification System for current month and previous month; cumulative year to date, current year and prior year; and annual two year and historical data.

International Trade and Market Access Data
World Trade Organization
This resource provides trade, tariff and services profiles and times series data for merchandise trade (by region and selected economies), commercial services trade (by region and selected economies), and regional integration arrangements.  It also provides access to WTO annual publications and interactive statistics databases and maps.

International Trade Administration
US Department of Commerce
This Web site contains international, state and some metropolitan-area level trade data. Data is also available at the industry level.

International Economics Accounts
Bureau of Economic Analysis
Links to tables of economic data, including US Trade in Goods and Services and US International Transactions.

Foreign Trade Statistics
US Census Bureau
Statistics available on this site include trade highlights, product trade data, country data, state export data, and an historical series (1960-present).

Market Access Database
European Commission
This Web site allows access to the Market Access Trade Barriers Database (which can be searched by country, sector and measure) and the Statistical Database (which provides country-level data by commodity).

Eurostat Trade Data
Provides external EU trade data as well as trade between members of the EU. Data is available for long term and short term indicators.

FAOSTAT Statistics Database
Food and Agriculture Organization of the United Nations
This is an on-line and multilingual (English, French, Spanish) database containing over 1 million time-series records covering international statistics in the areas of Production, Trade, Food Balance Sheets, Food Aid Shipments, Fertilizers and Pesticides, Land Use and Irrigation, Forest Products, Fishery Products, Population, Agricultural Machinery and Agricultural Production.