Employment in high-technology activities decreased between 2001 and 2005 in Arizona. Coupled with significant employment growth in other sectors, the high-technology share of the Arizona economy dropped considerably. High-tech employment also fell nationally, but at a lesser rate than in Arizona. With national employment growth modest in other sectors, hightech’s share of the national economy did not fall much. The decrease in high-technology employment in Arizona between 2001 and 2005 largely occurred in Maricopa County. However, a decline also occurred in Pima County.