This site has links to financial markets, coins and currency, economy in general, taxes, international news, Bureau of Economic Analysis, Bureau of Labor Statistics, and the Economic Report of the President.
This contains data on education, environment, economic, infrastructure and topics as well as many others, for all countries in the world, for many years; an easy-to-use database.
United Nations Statistics Division compiles and disseminates global statistical information, develops standards and norms for statistical activities, and supports countries' efforts to strengthen their national statistical systems.