Summarizes U.S. social, political and economic data in convenient tables from a wide variety of Federal and State agencies as well as private organizations. Tables available in either PDF or Excel. Check original sources of data for more detailed information. Excellent introductory essay at beginning of each PDF section. Updated monthly. For earlier editions (1970-current) use drop down menu in database. Archived government editions (1878-2012) available free at U.S. Census Bureau and Cybercemetery sites. Tip sheet.