According to the American Staffing Association, 12.9 million people are hired by staffing agencies each year; on any given workday, about 2.8 million people punch in to temporary jobs.
But the statistic that may be the strongest jolt for people who view job security as part of their personal career plan comes from a 2012 Economic Intelligence Unit Study that predicts by 2030, about half of all working Americans will be part of a contingency workforce made up of entrepreneurs, self-employed contractors, freelancers and temporary workers.