Population statistics - searchable database from Annual Review of Population Law, Harvard
InfoNation - an easy-to-use, two-step database that allows you to view and compare the most up-to-date statistical data for the Member States of the United Nations.
The Organisation for Economic Co-operation and Development - source for data that allows comparisons of statistics across countries and provides macro-economic and micro-economic research and policy advice in fields that mirror policy-making ministries in governments.permitting governments of the industrialised democracies to study and formulate the best policies possible in all economic and social spheres.
EUROSTAT - statistical resources from the European Community