"The Federal Interagency Forum on Child and Family Statistics (Forum) is a collection of 22 Federal government agencies involved in research and activities related to children and families." ~ChildStats.gov
"As a priority Open Government Initiative for President Obama's administration, Data.gov increases the ability of the public to easily find, download, and use datasets that are generated and held by the Federal Government. " ~ From Data.gov
"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." ~ taken from FedStats
The Statistical Abstract of the United States, published since 1878, is the authoritative and comprehensive summary of statistics on the social, political, and economic organization of the United States.