Google Public Data Explorer
Makes large datasets easy to explore, visualize and communicate. Includes visualizations for data from the World Bank, OECD, Eurostat, the United Nations Development Programme (UNDP) and more.
World Development Indicators
ProQuest Statistical Insight
Covers political and economic information on over 250 countries and territories, from Afghanistan to Zimbabwe
Promotes sustainable global development and achievement of the United Nations Millennium Development Goals. Allows access to and crosstabulating of over 200 datasets.