Covers: OECD countries and their partners
Years / Currency: Annual, 1960- , to within last four years
Trade classification: 1960-1990 (SITC2), 1990- (SITC3 and HS88), 1996- , (HS96); level of detail depends on classification chosen
Offers: Time depth, and detailed product data of trade by OECD countries and their partners.

Covers: UN member countries
Years / Currency: Annual, 1950- , to within last three years; older versions in print, more recent online
Trade classification: SITC2 at 3-digits
Offers: Time depth in a continuous classification

Covers: series extracted from UN COMTRADE.
Years/Currency: Varies by series
Trade Classification: HS 1992
Offers: Exports and imports of countries by product expressed in aggregate US$ and unit values.

Covers: UN member countries
Years/Currency: 1962- , depending on classification and country
Trade classification: SITC1, SITC2, SITC3, HS92, HS96, HS02
Offers: Time depth, product detail, and currency to within the last year, depending on classification and country.

Integrated access to various databases on trade flows and trade restrictions (UN Comtrade, UNCTAD-TRAINS (Trade Analysis and Information System), and WTO's tariff databases). Information on tariff schedules, non-tariff measures, and bilateral trade and tariff levels. Requires registration.