International Trade Data  

UofC Subscription database.
Database of imports and exports. Data can be broken down by commodity, trading partner and port of entry/exit.

Imports, exports and tariff data for the US and its trading partners for 1989 -
Free registration required for access.

Offers less detail than the other sources but is more user friendly than the other sources.

Includes the Direction of Trade Statistics.
Available for most countries with breakdown by partner country. Data are available as far back as 1945.

Aggregate data by country, which is broken into some broad categories.

Commodity level data for countries and their trading partners.
Free access, but limited to 50,000 records per download

Commodity level data in dollars and weight. This is a free version and it includes only aggregate data

The time series section provides the most data elements. Other sections are useful for quick overviews

Hosted by the World Bank. Gives access to UN Comtrade, UNCTAD-TRAINS (Trade Analysis and Information System) and WTO's tariff databases.
Access is currently free, but requires registration.

Bilateral data for the EU and its trading partners. Trading partner summaries have details on trade worldwide for the partner country.