General
Statista
Statistics on over 600 industries

EconBiz
Service provided by the Virtual Library for Economics and Business Studies.

Germany
Statistisches Bundesamt Deutschland
Official German statistics. Try Services => Publikations => Cross sections publications in order to get the German Statistical Yearbook.

Europe
Eurostat
Vast amount of statistical information provided by the European Union.

International Market Data
Economist - Country briefings
News, country profiles, forecasts, statistics and more.

Internationale Finance
Global Financial Data
Comprehensive current and historical perspectives.

Country Information
National Statistical Offices
Information on national statistical systems by th UN.

CIA World Factbook
The World Factbook provides information on the history, people, government, economy, geography, communications, transportation, military, and transnational issues for 266 world entities.

United Nations
UNECE Statistical Database
Data on Europe, USA, Central Asia.

United Nations Statistics Division

International Trade
WTO - International Trade Statistics
Trade and tariff statistics by the WTO.