Statistics are often the raw materials of social science research. The following sites will provide you with unbiased and up to date statistical information.
FedStats, which has been available to the public since 1997, provides access to the full range of official statistical information produced by the Federal Government without having to know in advance which Federal agency produces which particular statistic.
Pew Research Center is a nonpartisan fact tank that informs the public about the issues, attitudes and trends shaping America and the world. It conducts public opinion polling, demographic research, media content analysis and other empirical social science research. Pew Research Center does not take policy positions.