The Statistical Abstract of the United States had been published annually by the Federal Government since 1878. It is now published by ProQuest. It is a comprehensive collection of statistics on the social, political, and economic conditions of the United States.
Formerly Lexis Nexis Statistical Universe, it searches statistical publications and tables by keywords, subjects, and categories. Find a Table searches full text. Find a Publication searches summaries of statistical publications, some with links to full-text. If full text isn't available, check LibrarySearch or google the publication name. See the Quick Start Guide for getting started. Also see Statistical Abstract (under related subscriptions dropdown menu).
For statistics on a wide range of topics in all fields arranged A-Z (crime, demographics, children, labor, etc.) this Middlebury Libraries Statistics Guide has links to both national and international resources.
Tips for Finding Statistics
Check the data sources used by books or articles on your topic (in the bibliography or table source).
Think of which organizations are likely to produce the data and check the web sites of those sources.
Surf the web using terms likely to appear in full-text statistical tables or reports. Try a specialized data search engine such as Zanran (web search engine for finding data and statistics in graphs, tables, & reports)
Consult this guide for major sources of statistics & data (both free and subscription resources).
Ask a librarian. They are familiar with a variety of general and specialized sources.