Highlighted Resource from the U.S. Census Bureau:
The State Data Center program is one of the oldest and most successful partnership endeavors the U.S. Census Bureau has undertaken to-date. This partnership between the Census Bureau and the 50 states, District of Columbia, Puerto Rico, and island areas began in 1978. The program makes data available to the public locally through a network of state agencies, state and local governments, libraries, and universities.
Local State Data Center websites:
The following polling/survey resources are freely available to the public:
The guide linked below, published by the University of Wisconsin-Madison Libraries' Data & Information Services Center, provides links to statistical yearbooks or similar collections for 154 countries:
IMF Data includes access to these two very popular resources: