The UNSD compiles and disseminates global statistical information. You can browse by topic (for example: economy, environment, trade), by agency (scroll down to the bottom of the home page to see the list), and by other categories.
Links to the statistical offices of individual countries.
A list of all the available country profiles in the database.
Statistical data from the World Bank. On this site you can search by country or theme to find statistics about projects to reduce poverty and promote prosperity.