Gapminder is a non-profit venture promoting sustainable global development and achievement of the United Nations Millennium Development Goals by increased use and understanding of statistics and other information about social, economic and environmental development at local, national and global levels.
http://www.aladin.wrlc.org/Z-WEB/Aladin?req=db&key=WRL06980GW
The Foreign and Military Policy section contains useful information on a variety of subjects, including treaties and agreements, military expenditures, and foreign aid and investment.
Easily searchable statistical database based on information compiled by the United Nations
http://unstats.un.org/unsd/cdb/cdb_help/cdb_quick_start.asp
Provides selected series from numerous specialized international data sources for all available countries and areas
http://www.library.auckland.ac.nz/subjects/stats/offstats/
Excellent compilation of official statistical sourcesÂ
Compilation of international statistics
Cross-national data drawn from a variety of open sources providing at-a-glance global overviews, issue-based perspectives, and country performance measures including statistical data in the form of over one hundred performance indicators for 196 countries spanning fifteen years (1985 to 2000) for most indicators.
Downloadable full text of the 2006 report and tables
http://www.econstats.com/index_gl.htm
Compilations of economic statistics, including World Bank Development Data, IMF International Financial Statistics, and the IMF World Economic Outlook
http://snipurl.com/dujz
Extensive compiliation of statistical data for OECD countries.
World Development Indicators