International real-time data provider for decision makers in fifinance, business and government.
Historical statistics about GDP and population data.
The UNCTAD Handbook of Statistics on-line provides time series of economic data and development indicators, in some cases going back as far as 1950; the Commodity Price Statistics Online Database; the UNCTAD-TRAINS on the Internet (Trade Analysis and Information System) for trade control measures as well as import flows by origin for over 130 countries; the Foreign Direct Investment database (FDI).
OECD Statistics Portal
Large collection of datasets covering economics, demographics. Extractions are freely available, full access requires subscription.
Detailed statistics on the EU and candidate countries, and various statistical publications for sale.
Spatial tracking system for U.S. and Canadian dollars.
Spatial tracking system for Euro banknotes.
(source: Technology Review, lien)