The Pew Research Center conducts independent public opinion survey research about American attitudes toward politics and policy as well as demographic research, media content analysis and other empirical social science research.
"The World Factbook provides information on the history, people, government, economy, geography, communications, transportation, military, and transnational issues for 267 world entities."
"The Doing Business Project provides objective measures of business regulations and their enforcement across 185 economies and selected cities at the subnational and regional level"