This links opens to the investing page of the Danish government website

Search for information on specific EU countries

This very useful resources has currency converters, international tariffs, trade law, and much, much more

Official website of the 20 countries that form the G20 international economic group

Free, online textbook from Saylor Academy.

Statistics on all aspects of international and domestic finance

You can search for information by country.

The Organisation for Economic Cooperation and Development (OECD)

The Doing Business project provides objective measures of business regulations for local firms in 190 economies and selected cities at the subnational level.

Statistics by topic and country, including world development indicators

The North American Industry Classification System (NAICS), used by the United States, Mexico, and Canada provides codes and descriptions for businesses and industries.

Foreign Trade is the official source for U.S. export and import statistics and responsible for issuing regulations governing the reporting of all export shipments from the United States. If you're searching for import or export statistics, information on export regulations, commodity classifications, or a host of other trade related topics, this is the place to get the information you need.

Info on basic importing and exporting, trade programs, security and more

Click on Countries to see facts and figures on US trading partners

The International Trade Commission provides information on tariffs, trade data reports, trade analyses by region and other, and more.