International Agencies and Information on the Web (very good guide to guides to international and inter-governmental agencies and a comprehensive set of links to their web sites; maintained by the U. of Michigan Library)
Portals to the World (from the Library of Congress; "selective links providing authoritative, in-depth information about the nations and other areas of the world")
Foreign Governments Statistics (maintained by the U. of Michigan Library; for additional sites of statistics see the Statistical Resources on Web: Foreign Governnment Data Sources site)
InfoNation ("database that allows you to view and compare the most up-to-date statistical data for the Member States of the United Nations")
International Data Base (IDB) (contains statistical tables of demographic, and socio-economic data for 227 countries and areas of the world)
National Statistical Agencies and Offices (links to the national statistical agencies and offices of foreign governments; maintained by the Penn State University Libraries)
OFFSTATS: Official Statistics on the Web ( country and topical level "social, economic and general data from official or similar 'quotable' sources;" maintained by the Univ. of Auckland Library)