iPoll is a finding aid to locate national US public opinion polls. iPOLL contains half a million survey questions and answers asked in the US over the last 65 years by more than 150 survey organizations.
Harris Poll provides some free polling data covering a wide range of issues and industries including healthcare, technology, public affairs, energy, telecommunications, financial services, insurance, media, retail, restaurant, and consumer package goods.
The ANES produces high quality data from its own surveys on voting, public opinion, and political participation. ANES is a collaboration of Stanford University and the University of Michigan, with funding by the National Science Foundation.
Includes archives of social science data, specializing in data from surveys of public opinion. Data ranges from the 1930s to the present. Most of the data are from the United States, but over 50 nations are represented.
Many of the core questions have remained unchanged since 1972 to facilitate time-trend studies as well as replication of earlier findings. The GSS takes the pulse of America, and is a unique and valuable resource. It has tracked the opinions of Americans over the last four decades.
The National Longitudinal Study of Adolescent Health (Add Health) is a longitudinal study of a nationally representative sample of adolescents in grades 7-12 in the United States during the 1994-95 school year.
The NLSY79 is a nationally representative sample of 12,686 young men and women who were 14-22 years old when they were first surveyed in 1979. These individuals were interviewed annually through 1994 and are currently interviewed on a biennial basis.
WVS is an opinion survey similar to the GSS in questions and topics addressed, but includes representative samples from about 90 countries ranging from post-industrial democracies to developing nations.
Formerly known as AmericasBarometer, Vanderbilt University's Latin American Public Opinion Project (LAPOP) archives datasets of surveys of democratic public opinion and behavior in the Americas using national probability samples of voting-age adults. Dataset coverage includes 2002 – present.