"The American Enterprise Institute is a public policy think tank"

This site is valuable for its extensive coverage of both historical and current information on United States presidencies and is easy to navigate. It provides a searchable database of over 85,000 documents, such as speeches, official papers, executive orders, proclamations, news conferences, and press briefings. Various retrieval options are available, including by keywords, dates, document type, and presidents.

The Brookings Institution is a nonprofit public policy think tank based in Washington, DC.

A project of the Annenberg Public Policy Center. Their mission statement writes: "We are a nonpartisan, nonprofit “consumer advocate” for voters that aims to reduce the level of deception and confusion in U.S. politics. We monitor the factual accuracy of what is said by major U.S. political players in the form of TV ads, debates, speeches, interviews and news releases. Our goal is to apply the best practices of both journalism and scholarship, and to increase public knowledge and understanding."

From the Tampa Bay Times, this investigative site examines the truth of the statements of politicians to separate fact from fiction.

the Urban Institute gathers data, conducts research, evaluates programs, offers technical assistance overseas, and educates Americans on social and economic issues — to foster sound public policy and effective government.

CSIS is one of the world’s preeminent international policy institutions focused on defense and security; regional stability; and transnational challenges ranging from energy and climate to global development and economic integration.

Updated on a bi-weekly basis, the CIA Factbook, give a quick snapshot of each nation's demography, economy, government, geography, and other sectors such as transportation, communication, transportation and military.

Europa.eu is the official website of the European Union. It is a good starting point if you are looking for information and services provided by the EU but you don't know your way around their sites.

This unique website explores the "diversity of the various legal systems, their languages and their economic and demographic importance in the world."