The National Association of Counties (NACo) is the only national organization that represents county governments before the Administration and Congress. NACo provides essential services to the nation's 3,068 counties.
Data on Academic Workforce and a survey to gather more data. view historic information about staffing patterns at individual institutions of higher education. view the numbers and percentages of tenure-track, full-time non-tenure-track, and part-time faculty members at institutions in 1995 and in 2009.