Statistics & Public Opinion Data

Historical Statistics of the United States This link opens in a new window
A source for the quantitative facts of American history through the year 2000.
Eurostat This link opens in a new window
Eurostat is the statistical office of the European Union situated in Luxembourg. Its task is to provide the European Union with statistics at European level that enable comparisons between countries and regions.

World Economics and Politics Dataverse
"The World Economics and Politics (WEP) Dataverse offers a rich collection of data amassed from nearly 100 of the most commonly used data sources related to the fields of comparative and international political economy."

Gallup Poll
Conducts public opinion polls in more than 140 countries around the world.
Pew Research Center
The Pew Research Center is a nonpartisan fact tank that provides information on the issues, attitudes and trends shaping America and the world. The center conducts public opinion polling, demographic studies, media content analysis and other empirical social science research. It does not take positions on policy issues.
more...less...
The Center's work is carried out by seven projects:

Pew Research Center for the People & the Press
Pew Research Center's Project for Excellence in Journalism
Pew Internet & American Life Project
Pew Forum on Religion & Public Life
Pew Hispanic Center
Pew Global Attitudes Project
Pew Social & Demographic Trends Project
Real Clear Politics