Behavioral Risk Factor Surveillance System : prevalence and trend tables for U.S. and states.
CDC wonder: A single point of access to a variety of CDC reports, guidelines, and numeric public health data. Various databases including HIV, FARS, ICD9, Injury Mortality, Mortality, Natality. Recommended
Health, United States: Annual report with different topical chartbook every year. 1993-
National Center for Health Statistics: Very comprehensive site. FASTATS A-Z, statistics on births, deaths, illnesses, accidents, and diseases, survey data including micro-data.
Pan American Health Organization: regional office of WHO provides basic country health profiles and interactive table generator (1990-present).
State Cancer Profiles: tables and graphs of cancer mortality and incidence for states by age, race and sex. Current and trend data only.
State Health Facts Online: state comparisons and profiles on demographics, health, and health policy, including health coverage, access, financing, and state legislation from the Kaiser Family Foundation.
WHOSIS: health and health-related epidemiological and statistical information available from the World Health Organization, and elsewhere.
World Health Report: annual report from the World Health Organization.
Youth Risk Behavior Surveillance System: annual survey for U.S., states, territorial and local of unintentional injuries and violence, tobacco use, alcohol and other drug use, sexual behaviors, dietary behaviors, and physical activity.

South Carolina

Office of Research and Statistics : Health and Demographics Section: statistics on health professionals, emergency room visits, inpatient discharges, ambulatory surgery, rural health, Kids Count data.

Immigration and Naturalization

Immigration and Naturalization Service (INS): statistical yearbook from 1997-present and fiscal year-end statistical reports.
International Labour Migration Statistics: from the International Labor Organization.

Imports & Exports/International Trade

DATA INTAL: database of trade statistical information on imports and exports from 29 countries of the Americas by country of origin and destination, volume and value according to the tariff nomenclature of each country.
Export Statistics Express: global distribution of U.S. or state exports, state-by-state exports to a selected country and export product profile to a selected profile. 1997-
International Trade Statistics: International Trade Statistics by product group and country, National trade performances by country from the U.N.
ITC Trade DataWeb: interactive database of U.S. export and import statistics (value and quantity) and reports and current and historical tariff rates from the U.S. International Trade Commission.
Trade and Economy: U.S. foreign trade data, U.S. industry sector trade data, state and metropolitan area exports, export-related jobs.
Transborder Surface Freight Data Set: "North American merchandise trade data by commodity type, by surface mode of transportation (rail, truck, pipeline, mail and other), and with geographic detail for U.S. exports to and imports from Canada and Mexico". 1993-
USA Trade Online: Annual, year-to-date and monthly statistics by quantity and value. Reports include: trade by commodity, commodity market ranking, commodity profile, commodity time series and country by commodity. Detail to 10-digit HS level. Ability to display information by U.S. Customs port area and individual importing/exporting country. 1998-present. Requires password from Docs department.
U.S. Imports and Exports of Merchandise: Historical Summaries: 1989-1999. National summaries only. More detail on CD-ROMs available in Docs department.
WTO International Trade Database: Current and historical.

International & Comparative

Also see the sites listed under individual topics for other sources of international statistics.

DOLPHN: Data Online for Population, Health and Nutrition: "online statistical data resource containing selected current and historical country-level demographic and health indicator data."
Eurostat: the Statistical Office of the European Communities provides access to News Releases, Key Indicators, Eurostat News, catalogues, and the Statistics in Focus series. Depository password allows access to further publications.
Human Development Reports: annual publication.
InfoNation: view and compare basic statistical data for all UN member states.
OFFSTATS: directory of "web sites offering free and easily accessible social, economic and general data from official or similar "quotable" sources, especially those that provide both current data and time series."
PovertyNet: comparative international data on poverty from the World Bank.
Statistical Yearbook for Latin America and the Caribbean: Annual publication.
UNSTATS: access to millennium indicators and social indicators on population, youth and elderly populations, water supply and sanitation, housing, health, child-bearing, education, literacy, income and economic activity, unemployment from the U.N.
World Development Indicators: "is the World Bank's premier annual compilation of data about development." Complete version available in the Business Library. Free Data Query includes 54 timeseries indicators for 208 countries and 18 groups, spanning 5 years.

Labor & Employment

Bureau of Labor Statistics: Includes the Occupational Outlook Handbook, national, state and local data on employment and unemployment, earnings, productivity and working conditions, inflation, consumer spending, labor force, CPI and PPI.
Foreign Labor Statistics: international comparisons of hourly compensation costs; productivity and unit labor costs; labor force, employment and unemployment rates; and consumer prices from the U.S BLS. Mainly major industrial countries.
International Labour Migration Statistics: from the International Labor Organization.

Native Americans

American Indian and Alaska Native Data & Links: from the U.S. Census Bureau.
Indian Health Service